PropertyValue
rdf:type
rdfs:label
  • RCA Photophone
owl:sameAs
prov:wasDerivedFrom
skos:prefLabel
  • RCA Photophone
skos:altLabel
  • RCA
  • Photophone
  • Photophone (RCA)
  • RCA Photophone System
  • RCA's Photophone
  • RCA-Photophone, Inc
  • own sound-on-film process
  • stereo variable-area optical sound
clgo:foundingYear
  • 1927
clgo:product
clgo:type
is clgo:format of
is clgo:musicComposer of
is clgo:product of