RCA Radio Model RC Operation

This RC radio is among one of the first products marketed by RCA in and about 1921. Westinghouse produced this RC radio for RCA. It is a battery set and uses three 01A vacuum tubes. The circuit is Edwin Howard Armstrong first major discovery, the regenerative circuit patented in 1914.
RCA Radio Model RC Operation

Видео RCA Radio Model RC Operation канала AllAmericanFiveRadio