This HTML5 document contains 23 embedded RDF statements represented using HTML+Microdata notation.

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PrefixNamespace IRI
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rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
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clgohttp://caligraph.org/ontology/
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Subject Item
clgr:Charles_Eugene_Denney
clgo:knownFor
clgr:North_American_railroad_signals
Subject Item
clgr:North_American_railroad_signals
rdf:type
owl:NamedIndividual
rdfs:label
North American railroad signals
owl:sameAs
dbr:North_American_railroad_signals
skos:prefLabel
North American railroad signals
skos:altLabel
absolute signal color light signals searchlight signals disc signals North American railroad signals#Hall disc signals North American railroad signals#Distant (approach) signals color position light signal in North America North American railroad signal position light signals large wooden ball searchlight-style signal line-side signal re-signalled Signals searchlight signal vertical color light signals signals