An air-cooled 50-watt transmitting tube with 4-pin metal shell base, ceramic insulator, and rugged plate. Light, rectangular anode. GE and old RCA logos stamped on envelope. Base stamped: "Radiotron / ...

Last month we looked at radio cabinetry. This month we take a look at one of its examples, a 1929 RCA Radiola 46 in a high boy console. David Sarnoff (*1), a Belarusian born immigrant, led the Radio ...