Marked: (Panel nameplate reads) RCA / Radiola 20 / Reg. U.S. Pat. Office / See license notice inside / Radio Corporation of / America. (Under top lid is license & patent notice) Title reads: Radiola ...
Marked: "Radiola / III-A / Type RL / Range 220-550 Meters"; patent notice and license data follows. Also: "8951 (8-19-24) [Serial No.] 447454 RCA". The Model III-A is a regenerative receiver designed ...
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