Martin Theophilus of The Museum of Magnetic Sound Recording, Part, sound recording tape
Equipment Museum
Magnetic Tape for Audio Museum of Obsolete Media
Beverley Gooch and the Evolution of Magnetic Tape
AMPEX Model 200/200A Tape Machine
Ampex 600 - Ampex reel tape recorders • the Museum of Magnetic Sound Recording
Ampex - Wikipedia
Ampex reel tape recorders • the Museum of Magnetic Sound Recording
Reel to Reel Tape Recorder Manufacturers - Akai - Museum of Magnetic Sound Recording
Ray Dolby on the first Ampex 200 tape recorder - EMMYTVLEGENDS.ORG
Ampex reel tape recorders • the Museum of Magnetic Sound Recording
Ampex Corporation Science Museum Group Collection
Ampex videotape recorder type VR 1000A