File:Vintage Cambridge Portable Transistor Reel-To-Reel Tape Recorder, 3 Transistor Amplifier Circuit, Battery Power Only, Model IM-501, Made in Japan, Distributed by Omscolite Corp., Philadelphia, PA (12075058186).jpg - Wikimedia Commons

File:Vintage Cambridge Portable Transistor Reel-To-Reel Tape Recorder, 3 Transistor Amplifier Circuit, Battery Power Only, Model IM-501, Made in Japan, Distributed by Omscolite Corp., Philadelphia, PA (12075074506).jpg - Wikimedia Commons

My Transistors, original or copy?, Page 66

Wholesale transistor electric And Transistors For Circuits

Electra Model Im 501 Transistor Tape Recorder

COMPACT EXECUTIVE A new pocket -sized, transistorized, Executive TR-10 recorder and dictating ma- chine is now available. The Executive TR-10 costs S

VINTAGE RETRO EXECUTIVE TR-10 TRANSISTOR 3 REEL TO REEL PORTABLE TAPE RECORDER.

File:Vintage Electra Portable 4 Transistor Reel-To-Reel Tape Recorder, Model TP-500, Made In Japan, Circa 1960s (15706532371).jpg - Wikimedia Commons

Electra Model Im 501 Transistor Tape Recorder

See Photos For Condition - For Parts or Repair - Not Working.

Vintage Apolec Model RA-11 Reel To Reel Transistor Tape Recorder - Not Working

VINTAGE RETRO EXECUTIVE TR-10 TRANSISTOR 3 REEL TO REEL PORTABLE TAPE RECORDER.