SIGNED PROTONA MINIFON, CIRCA 1960
細節
MINIFON. AN UNUSUAL WRISTWATCH MAGNETIC TAPE DETECTION SET
Signed Protona Minifon, circa 1960
Containing a microfone disguised as a wristwatch with pocket tape recorder, tapes, transformers, play back devices, telephone adaptors, ear phones in simulated leather suitcase, with books of instructions
Signed Protona Minifon, circa 1960
Containing a microfone disguised as a wristwatch with pocket tape recorder, tapes, transformers, play back devices, telephone adaptors, ear phones in simulated leather suitcase, with books of instructions