Unusual Techniques In Sound Recording (1950) – Preservation Sound
Period Ferrograph reel to reel tape recorder. | Electro Props Hire
Magnetic Videotape Recording - Engineering and Technology History Wiki
Tape recorder - Wikipedia
1950's / 60's Leevers Rich portable reel to reel tape recorder used for radio and motion picture sound. | Tape recorder, Vintage electronics, Audio tape
Tape recorders 1950s -Fotos und -Bildmaterial in hoher Auflösung – Alamy