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

Vintage Ross Rosscorder 500 All Transistor Tape Recorder Reel to Reel

Electra Model Im 501 Transistor Tape Recorder

My Transistors, original or copy?, Page 66

All Transistor Portable Tape Recorder MS 504 Made in Japan Untested Display

Vintage Electra Tape Recorder 4 Transistor Early Japan Built Repair

Wholesale transistor electric And Transistors For Circuits

Vintage GE Slim Style Portable Cassette Tape Recorder Model 3-5009

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.

Electra Model Im 501 Transistor Tape Recorder