<http://caligraph.org/resource/HMCS_Kapuskasing>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Zulu_(F18)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Scourge_(G01)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Hydra_(J275)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Pensacola_(CA-24)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Porter_(TB-6)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_Oshawa>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Kumaon_(J164)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Fresnel_(1908)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Simoun>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Birmingham_(C19)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Sella-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Onyx_(J221)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Gambia_(48)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Craven_(TB-10)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Shrewsbury_Castle_(K374)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Barney_(TB-25)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Gloucester_(62)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Dumbarton_Castle_(K388)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Normand boilers" .
<http://caligraph.org/resource/Vauquelin-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_Rockcliffe>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Fougueux>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Childers_(R91)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Grasshopper_(T85)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Nubian_(F36)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Bulldog_(H91)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Victorious_(R38)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Jackal_(F22)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Branlebas-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Musketeer_(G86)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Three-drum_boiler#Thornycroft-Schulz_boiler" .
<http://caligraph.org/resource/HMS_Rye_(J76)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Fortune_(H70)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Zubian>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Fulmine_(1931)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Cossack_(F03)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Gipsy_(H63)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Fly_(J306)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Thornycroft" .
<http://caligraph.org/resource/HMS_Fancy_(J308)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Matchless_(G52)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Ouragan>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Deccan_(J129)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Implacable-class_aircraft_carrier>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Quintino_Sella>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Trenton_(CL-11)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Morpeth_Castle_(K693)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Pluvi%C3%B4se-class_submarine>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Fame_(H78)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Soviet_destroyer_Baku>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Blanche_(H47)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Normand Boilers" .
<http://caligraph.org/resource/SS_Empire_Lifeguard>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Rosario_(J219)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Racehorse_(H11)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMAS_Nepal_(G25)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Lansquenet_(1909)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty three-drum water-tube boiler" .
<http://caligraph.org/resource/French_destroyer_Mortier>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Three-drum boiler#White-Forster boiler" .
<http://caligraph.org/resource/HMS_Lyme_Regis_(J193)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Strale_(1931)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Welcome_(J386)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Panther>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Soviet_destroyer_Dzerzhinsky>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Soviet_destroyer_Tbilisi>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Oglala>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Paulding-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Gu%C3%A9pard-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Watt>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Obdurate_(G39)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Pistolet>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Cadmus_(J230)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Chivalrous>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Bainbridge_(DD-1)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Hurst_Castle>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Afridi_(F07)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCyS_Vijaya>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Denbigh_Castle_(K696)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Trident>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Luchs>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Von_der_Tann>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_DeLong_(TB-28)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Vauquelin_(1931)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Pioneer_(R76)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"du Temple boiler" .
<http://caligraph.org/resource/Leytenant_Shestakov-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Providence_(J325)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Eclipse_(H08)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Giuseppe_Sirtori>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Juno_(F46)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Ashanti_(F51)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Mousquet>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Carabine>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/ORP_Orkan_(G90)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/King_George_V-class_battleship_(1939)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Maine-class_battleship>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Jersey_(F72)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Orage>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Kelvin_(F37)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Catapulte>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Havock_(H43)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Tramontane>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Mauritius_(80)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Niobe>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Boulonnais>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_Portage>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Caldwell_(DD-69)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Khyber_(J190)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Russian_destroyer_Fidonisy>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Carnatic_(J199)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Soviet_destroyer_Shaumyan>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_L\u0027Adroit_(1927)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HSwMS_Puke_(19)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Steam_boiler_type> .
<http://caligraph.org/resource/French_destroyer_Vauban>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Chasseur>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Jewel_(J390)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Francisque>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Libeccio>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Typhon>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Jaguar>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Arbal%C3%A8te>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Lampo_(1931)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Postillion_(J296)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Dupuy_de_L%C3%B4me>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_cruiser_Pluton>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Caesar_(R07)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Squirrel_(J301)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Gustave_Z%C3%A9d%C3%A9_(1913)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Thermidor>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Iltis>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_cruiser_Montcalm_(1900)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Ivanhoe_(D16)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Ohio_(BB-12)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Aquilone_(1927)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Leander-class_cruiser_(1931)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Wettin>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty three-drum boiler" .
<http://caligraph.org/resource/French_destroyer_Mistral>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Baliste>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Foresight_(1904)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Blakely_(TB-27)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Vifor-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Borea_(1927)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Indomitable_(92)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Fiji_(58)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Wave_(J385)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Inconstant_(H49)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Sabre>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/ARA_Catamarca>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Bamborough_Castle_(K412)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Express_boiler> .
<http://caligraph.org/resource/Pathfinder-class_cruiser>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Unicorn_(I72)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Lion-class_battleship>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Hound_(J307)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Carquois>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Cromer_(J128)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Aigle-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Gustave_Z%C3%A9d%C3%A9-class_submarine>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"three-drum water-tube boiler" .
<http://caligraph.org/resource/HNoMS_Stord_(G26)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Gerfaut>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Harpon>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_battleship_Provence>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Fury_(H76)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_B%C3%A9lier>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_York_(90)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Japanese_cruiser_Ibuki_(1943)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Vanguard_(23)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty Three-drum water tube boiler" .
<http://caligraph.org/resource/HMS_Gallant_(H59)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Circe_(J214)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/INS_Vikrant_(1961)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Shark_(1894)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Arkansas_(BM-7)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"3-drum Thornycroft boilers" .
<http://caligraph.org/resource/HMS_Black_Prince_(81)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Basilisk_(H11)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Northampton_(CA-26)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Jupiter_(F85)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Alnwick_Castle_(K405)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Glaive>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Eber>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Exmouth_(H02)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Fleuret_(1907)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Sabretache>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Bombarde>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Brave_(J305)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Freccia_(1930)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_New_Liskeard>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Dahlgren_(TB-9)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Express_boilers> .
<http://caligraph.org/resource/USS_Louisville_(CA-28)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Nicholson_(DD-52)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Basque>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Thornycroft-Schulz boiler" .
<http://caligraph.org/resource/HMS_Charybdis_(88)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Matabele_(F26)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Achates_(H12)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Vincenzo_Giordano_Orsini>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Hostile_(H55)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2000/01/rdf-schema#label>	"Three-drum boiler" .
<http://caligraph.org/resource/Arquebuse-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Ilex_(D61)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Missouri_(BB-11)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Gabion>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Siroco_(1925)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Tintagel_Castle_(K399)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty 3-drum boilers" .
<http://caligraph.org/resource/HMS_Rushen_Castle_(K372)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/J-,_K-_and_N-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Mousqueton>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Panth%C3%A8re>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Spahi>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Fidonisy-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Rocket_(1894)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Aigle>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Duncan_(D99)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Hallebarde>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SAS_Transvaal>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Giovanni_Acerbi>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Hunter_(H35)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Javeline>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Warspite_(03)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Active_(H14)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Normand three-drum water tube boiler" .
<http://caligraph.org/resource/HMS_Glowworm_(H92)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Cockatrice_(J229)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Flint_Castle_(K383)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Foxhound_(H69)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Moresby>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Jervis>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Exeter_(68)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Arquebuse>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Loch-class_frigate>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Grecale>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HNoMS_Svenner_(G03)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Russian_destroyer_Gadzhibey>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Kandahar_(F28)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_cruiser_Jules_Ferry>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Onslaught_(G04)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Memphis_(CL-13)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Wrangler_(R48)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Monge_(1908)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Kimberley_(F50)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Berthelot>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Messidor>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Khartoum_(F45)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMSAS_Natal>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Indefatigable_(R10)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Mariner_(J380)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Impulsive_(D11)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Morris_(TB-14)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Thornycroft boiler" .
<http://caligraph.org/resource/HMS_Speedy_(J17)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Gleaner_(J83)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Encounter_(H10)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Peterhead_(J59)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Tartu_(1931)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Gwin_(DD-71)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Malta-class_aircraft_carrier>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Kersaint_(1931)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Alfredo_Oriani>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Normand boiler" .
<http://caligraph.org/resource/HMS_Patrol_(1904)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Glasgow_(C21)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Beagle_(H30)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Imogen_(D44)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Rajputana_(J197)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Kathiawar_(J155)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"triangular arrangement" .
<http://caligraph.org/resource/USS_Talbot_(TB-15)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Three-drum boiler#du Temple boiler" .
<http://caligraph.org/resource/HMS_Whelp_(R37)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Malwa_(J55)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Halcyon_(J42)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Aylwin-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Le_Mars>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Sarbacane>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Asheville_(PG-21)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Carron_(R30)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Jamaica_(44)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Valmy>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Forward-class_cruiser>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/L_20e_%CE%B1-class_battleship>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Spanker_(J226)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Saetta>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_L\u0027Alcyon>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_%C3%89pieu>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Marine_boiler> .
<http://caligraph.org/resource/HMS_Carisbrooke_Castle_(K379)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Penn_(G77)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Bourrasque>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_Sault_Ste._Marie>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Lennox_(J276)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Kenya>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Biddle_(TB-26)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Cassard_(1931)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Greek_destroyer_Vasilefs_Georgios>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Winslow_(DD-53)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Dupuy_de_L%C3%B4me-class_submarine>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Dardo_(1930)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Foresight_(H68)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Milan>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/I-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Escapade>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Eskimo_(F75)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Kashmir_(F12)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_Winnipeg_(J337)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Oriani-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty three-drum water tube boilers" .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Three-drum boiler#Normand boiler" .
<http://caligraph.org/resource/French_destroyer_Mameluk_(1909)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Nelson-class_battleship>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Pommern>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Liberty_(J391)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Vincenzo_Gioberti>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Garland_(H37)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Three-drum boiler#Admiralty boiler" .
<http://caligraph.org/resource/HMS_Larne_(J274)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Inglefield_(D02)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Chicago_(CA-29)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Arrow_(H42)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Hermes_(R12)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Bermuda_(52)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Verdun>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_Nootka_(R96)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Giffard>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"boilers" .
<http://caligraph.org/resource/HNLMS_Van_Galen_(G84)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Stylet>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Martin_(G44)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SAS_Good_Hope>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Frondeur>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Maori_(F24)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Germinal>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Kipling_(F91)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Fiji-class_cruiser>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Grenade_(H86)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Grafton_(H89)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Russian_destroyer_Tserigo>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Felicity_(J369)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Brazen_(H80)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Trinidad_(46)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Pakenham_(G06)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Milne_(G14)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_San%C3%A9>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Scirocco>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Medina_(1916)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Bridgewater_(L01)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Mahratta_(G23)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Marne_(G35)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Manchester_(15)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Zeffiro_(1927)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty boilers" .
<http://caligraph.org/resource/Soviet_destroyer_Zheleznyakov>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Mohawk_(F31)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Brilliant_(H84)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Houston_(CA-30)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"3-drum boilers" .
<http://caligraph.org/resource/HMS_Mashona_(F59)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Arkansas-class_monitor>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Abilene>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Ericsson_(DD-56)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SS_Empire_Shelter>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Panther_(G41)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Imperial_(D09)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Ready_(J223)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Francesco_Stocco>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Onslow_(G17)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Opportune_(G80)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Algerine-class_minesweeper>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Icarus_(D03)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_L%C3%A9opard>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/NMS_M%C4%83r%C4%83%C8%99ti>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMAS_Nestor_(G02)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/ARA_Jujuy>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"three-drum boiler" .
<http://caligraph.org/resource/French_destroyer_Fanion>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Albatros>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Express_(H61)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HSwMS_Psilander_(18)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Cassin-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Bogatyr-class_cruiser>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Felixstowe_(J126)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Jaguar_(F34)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Topaze_(1903)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Wessex_(R78)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Greyhound_(H05)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_%C3%89tendard>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Salt_Lake_City_(CA-25)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty 3-drum water-tube boilers" .
<http://caligraph.org/resource/French_destroyer_Sagaie>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Francesco_Crispi>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Du_Pont_(TB-7)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Bagley_(TB-24)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"3-drum Thorneycroft boilers" .
<http://caligraph.org/resource/Soviet_destroyer_Kharkov>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Fanfare>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Formidable_(67)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Chameleon_(J387)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Cavalier>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Kingston_(F64)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Gurkha_(F20)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Folgore-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Javelin_(F61)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Liverpool_(C11)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Oudh_(J245)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Amazon_(1908)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Implacable_(R86)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Cyclone_(1925)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Arkansas_(BB-33)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Fronde>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Thornycroft water-tube boilers" .
<http://caligraph.org/resource/French_destroyer_Espingole>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Chester_(CL-1)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMAS_Nizam_(G38)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Isis_(D87)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Pluvi%C3%B4se>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Freccia-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Maestrale>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Schulz-Thornycroft boilers" .
<http://caligraph.org/resource/Duguay-Trouin-class_cruiser>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Gay-Lussac>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Magic_(1915)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_La_Palme>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Cheerful_(J388)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Gu%C3%A9pard>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Chacal-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Espiegle_(J216)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Electra_(H27)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Ithuriel_(H05)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Normand three-drum" .
<http://caligraph.org/resource/French_destroyer_Fauconneau>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Punjabi>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Coutelas>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Dard>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Sikh_(F82)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_St._Boniface>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Pelorus_(J291)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Vend%C3%A9miaire>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Regele_Ferdinand-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/ORP_Piorun_(G65)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_O\u0027Brien_(DD-51)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Turbine_(1927)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Russian_destroyer_Kerch>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Ossory_(J463)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Loch_Glendhu_(K619)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Bedouin>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Maill%C3%A9_Br%C3%A9z%C3%A9_(1931)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Derwent_(L83)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Arc>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Soviet_destroyer_Moskva>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Intrepid_(D10)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/E_and_F-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Three-drum_boiler#Thornycroft_boiler" .
<http://caligraph.org/resource/Town-class_cruiser_(1936)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Voltigeur>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Clacton_(J151)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Euro_(1927)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Tigre>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Lynx>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Richmond_(CL-9)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Obusier>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Algerine_(J213)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Niger_(J442)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"3\u2013drum Express boilers" .
<http://caligraph.org/resource/HMS_Hare_(J389)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Oriflamme>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Caistor_Castle>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Jaguar>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Obedient_(G48)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty-type three-drum boilers" .
<http://caligraph.org/resource/HMS_Echo_(H23)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Pathfinder_(1904)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Lion>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Bison_(1928)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SS_Empire_Rest>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty-type three drum boilers" .
<http://caligraph.org/resource/A-_and_B-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Pathfinder_(G10)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Prairial>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Soviet_destroyer_Nezamozhnik>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Three-drum boiler#Woolnough boiler" .
<http://caligraph.org/resource/Greek_destroyer_Vasilissa_Olga>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Ostro_(1928)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_Fort_Frances>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"marine-type boilers" .
<http://caligraph.org/resource/French_destroyer_Forbin_(1928)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Soviet_cruiser_Komintern>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMAS_Norman_(G49)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Boreas_(H77)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Giosu%C3%A8_Carducci>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Yugoslav_destroyer_Split>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Hythe_(J194)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Escort_(H66)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Catamarca-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Redpole_(1910)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"du Temple boilers" .
<http://caligraph.org/resource/HMCS_Middlesex>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Hussard>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Dido-class_cruiser>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Espero_(1927)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Acasta_(H09)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Illustrious-class_aircraft_carrier>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Medway_(1916)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Hache>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Tribal-class_destroyer_(1936)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Tromblon>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Giuseppe_Sirtori-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Augusta_(CA-31)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Soviet_destroyer_Minsk>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Gwin_(TB-16)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Nigeria_(60)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Marblehead_(CL-12)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Cugnot>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HNLMS_Tjerk_Hiddes_(G16)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Marine_boilers> .
<http://caligraph.org/resource/HMS_Griffin_(H31)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Tiger>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Nembo_(1927)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Minstrel_(J445)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMAS_Hobart_(D63)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Fernie>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Fructidor>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Defender_(H07)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Cheviot>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Baleno>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Owen_(K640)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Three-drum boiler" .
<http://caligraph.org/resource/French_destroyer_Cogn%C3%A9e>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty three-drum boilers" .
<http://caligraph.org/resource/HMS_Somali_(F33)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Soviet_destroyer_Leningrad>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Schulz" .
<http://caligraph.org/resource/TCG_Demirhisar_(H80)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Vautour>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Nelson_(28)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Tirailleur>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Foudroyant_(1929)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Oribi_(G66)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Sape>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Forward_(1904)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Consort_(R76)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Enseigne_Gabolde>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Orwell_(G98)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Folgore>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Russian_cruiser_Bogatyr>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Poignard>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Hebe_(J24)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Flor%C3%A9al>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/NMS_Regina_Maria>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Aetos-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_destroyer_Vittorio_Alfieri>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMSAS_Bloemfontein>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/NMS_Regele_Ferdinand>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Le_Chevalier_Paul_(1932)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Boadicea_(H65)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Offa_(G29)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Cushing_(DD-55)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Redoubt_(H41)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Codrington_(D65)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Indianapolis_(CA-35)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_McDougal_(DD-54)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Pickle_(J293)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Cavendish_(R15)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Loyal_(G15)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty Three-drum water tube boilers" .
<http://caligraph.org/resource/HMS_Janus_(F53)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Carnarvon_Bay>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Partridge_(G30)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Konkan_(J228)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Le_Fortun%C3%A9>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Bordelais>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMAS_Perth_(D29)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Firedrake_(H79)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"3-drum boiler" .
<http://caligraph.org/resource/French_destroyer_Tornade>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Bihar_(J247)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Esk_(H15)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Three drum" .
<http://caligraph.org/resource/HMS_Fearless_(H67)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Italian_aviso_Diana>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMAS_Napier_(G97)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Illustrious_(87)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/TCG_Sultanhisar_(1940)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Chacal>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_aircraft_carrier_B%C3%A9arn>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Tartar_(F43)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Zara-class_cruiser>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Brestois>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Wyoming_(BB-32)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Rodney_(29)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Orissa_(J200)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Vent%C3%B4se>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Papin>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Guyot-du Temple-Normand small-tube boilers" .
<http://caligraph.org/resource/French_destroyer_Claymore>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_%C3%84gir>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/C_and_D-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"three-drum Thorneycroft boilers" .
<http://caligraph.org/resource/HMS_Raider_(H15)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Chester_(CA-27)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Pierrer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Comandanti_Medaglie_d\u0027Oro-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/G_and_H-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Steam_boiler_types> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Admiralty 3-drum type boilers" .
<http://caligraph.org/resource/NMS_M%C4%83r%C4%83%C8%99e%C8%99ti>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Cambrian_(R85)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Baluchistan_(J182)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMIS_Rohilkhand_(J180)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Ottoman_destroyer_Yarhisar>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Faulknor_(H62)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Turbine-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Hereward_(H93)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Forester_(H74)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/SMS_Hannover>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Maestrale-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Ark_Royal_(91)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Allington_Castle>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Temp%C3%AAte>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMCS_Wallaceburg>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Massue>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Comet_(R26)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Maenad_(J335)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_submarine_Amp%C3%A8re>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Meteor_(G73)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Normand water-tube boilers" .
<http://caligraph.org/resource/French_destroyer_Fantassin>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Claymore-class_destroyer>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Ardrossan_(J131)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Trombe>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/HMS_Antelope_(H36)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/USS_Concord_(CL-10)>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_La_Railleuse>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/French_destroyer_Branlebas>	<http://caligraph.org/ontology/powerType>	<http://caligraph.org/resource/Three-drum_boiler> .
<http://caligraph.org/resource/Three-drum_boiler>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Thornycroft boilers" .