Popham panel - CaLiGraph

CaLiGraph

Property	Value
rdf:type	Optical communication owl:NamedIndividual 20th-century invention Aviation communication
rdfs:label	Popham panel
owl:sameAs	dbr:Popham_panel
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Category:20th-century_inventions http://en.wikipedia.org/wiki/Category:Optical_communications http://en.wikipedia.org/wiki/Category:Aviation_communications
skos:prefLabel	Popham panel

About: clgr:Popham_panel