About: http://webisa.webdatacommons.org/428987053

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	RCA provided developmental tubes, including the CRT, to Bell and Howell and other manufacturers, who also produced prototypes using these components.
http://www.w3.org/ns/prov#wasQuotedFrom	earlytelevision.org