Posted 5 months ago
RCA Tube Brochure
Approximately 2 1/2" x 6 1/2"
Not sure what year this is, probably late 1960s? Has some funny drawings and they tried to give the vacuum tubes some character.
Radio Corporation of America
October 17, 1919 as Radio Corporation of America. Name changed to RCA Corporation on May 9, 1969.
During the early 1920s, they were a major manufacturer of radio receivers, and the exclusive manufacturer of the first superheterodyne sets. RCA also created the first nationwide American radio network, the National Broadcasting Company (NBC).