Magnecord - Reel to Reel Tape Recorder Manufacturers - Museum of Magnetic Sound Recording

Laying down sound: early recording inventions from wire to tape — Google Arts & Culture

greatbear blog posts: audio technology

Martin Theophilus of The Museum of Magnetic Sound Recording, Part Two – PS Audio

Magnecord – Preservation Sound

Tape Recording Magazine - AmericanRadioHistory.Com

Magnecord 728 Tape Recorder

Phantom's Vintage Reel 2 Reel Tape Recorder Online Museum Teac/Tascam Part 1

Magnecord – Preservation Sound

Akai Reel Tape Recorder History preview by Phantom Productions, Inc.

Phantom Productions reel to reel tape recorder 1908 ad collection

Phantom Productions reel to reel tape recorder 1908 ad collection