IBM MT72 magnetic tape typewriter, 1967.

IBM MT72 magnetic tape typewriter, 1967.
3 3 c m
actual image size: 32cm x 25cm


Detail of tape control unit. Automatic typewriters that did away with much of the repetition involved in manual typing were available in the 1920s, using punched paper as a recording medium. The more versatile MT72, introduced in 1964 and manufactured in the Netherlands, used magnetic tape cartridges instead. A small computer linked to an IBM 72 'golf ball' typewriter allowed documents to be recorded, re-typed and corrected. Names and addreses on one tape could be added to a standard letter on another.

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© Science Museum / Science & Society Picture Library

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