GERMAN MINIFON P55 MINIATURE STEEL WIRE RECORDER AND SPY WRISTWATCH WITH HIDDEN MICROPHONE
Vintage Minifon Protona Mi-51 Spy Recorder and Microphone Wristwatch working | eBay
Vintage Minifon Protona Mi-51 Spy Recorder and Microphone Wristwatch working | eBay
Minifon Pocket Wire P-55 Kit
Protona Minifon Special
Minifon Wire Recorder
Minifon P55 Tape Recorder | Reel to Reel
Protona Minifon P-55
Minifon portable wire recorder: route of wire around recorder - Playback and recording equipment - Radio and sound recording history | British Library - Sounds
MINIFON PROTONA SPY TAPE RECORDER
Cold War Espionage & the 1950s Minifon Wire Recorder – historictech