<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Firearm_manufacturers_of_the_United_States> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Firearm_manufacturer_of_the_United_States> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Weapons_manufacturing_companies> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://caligraph.org/ontology/industry>	<http://caligraph.org/resource/Manufacturing> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2000/01/rdf-schema#label>	"Birdsboro Steel" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Birdsboro Steel Company" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Manufacturing_company_based_in_Pennsylvania> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Birdsboro Iron Foundry Company" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Birdsboro_Steel> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Birdsboro Iron Forge Company" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Birdsboro Steel" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://caligraph.org/ontology/foundingYear>	"1867" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2004/02/skos/core#altLabel>	"E&G Brooke Iron Company" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2004/02/skos/core#altLabel>	"E&G Brooke" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2004/02/skos/core#altLabel>	"E. G. Brooke" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://caligraph.org/ontology/fate>	"Bankruptcy" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Manufacturing_companies_based_in_Pennsylvania> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Steel_company_of_the_United_States> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://caligraph.org/ontology/product>	<http://caligraph.org/resource/Firearm> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://caligraph.org/ontology/industry>	<http://caligraph.org/resource/Firearm> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Birdsboro properties" .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://caligraph.org/ontology/industry>	<http://caligraph.org/resource/Steel> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Defunct_companies_based_in_Pennsylvania> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://caligraph.org/ontology/formerName>	"Birdsboro Iron Foundry Co., E&G Brooke Iron Co., Birdsboro Steel Foundry and Machine Co., Birdsboro Corp." .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://caligraph.org/ontology/locationCity>	<http://caligraph.org/resource/Birdsboro,_Pennsylvania> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://caligraph.org/ontology/location>	<http://caligraph.org/resource/Pennsylvania> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Defunct_company_based_in_Pennsylvania> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Birdsboro Iron Foundry Company (later Birdsboro Steel Corporation)." .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Weapons_manufacturing_company> .
<http://caligraph.org/resource/Birdsboro_Steel>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Steel_companies_of_the_United_States> .