Magnabelt (1961 – 1972)

Magnabelt was a magnetic belt format for dictation, introduced by IBM in 1961 with the IBM Executary 214 dictation machine. The belts were made of mylar with a ferromagnetic material deposited on its recording surface.

Early Executary models used a 4-inch wide belt, while later ones used 3-inch belts. Both desktop and portable models were available.

IBM manufactured Executary machines until 1972.

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