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   RCA

Radio Corporation of America (RCA) was the exclusive distributor for the four largest
electrical manufacturing companies: General Electric (which had bought American Marconi), AT&T, Wireless Specialty Apparatus and Westinghouse. These four companies had entered into cross-license agreements and owned almost every patent for broadcast radio equipment and they manufactured most of the commercial equipment and vacuum tubes in the early 1920s, RCA did not actually manufacture anything itself, but through agreement had its name on products made by the four partner companies.

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RCA Tomestone

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Description

Schematic Diagram

 

Battery Connections

Service Notes

 

RCA 240

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Description

Schematic Diagram

 

Battery Connections

Service Notes

 

RCA IP-501A

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Description

Schematic Diagram

 

Battery Connections

Service Notes