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

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Wires History - AudioThing

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

Magnetic Recording History Pictures

Audio [Sound Recordings]

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

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

Collection History Museum of Magnetic Sound Recording

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

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