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IBM 407

IBM 407

Tabulating machine introduced in 1949.

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Readers come from

Share of the 454 readers arriving from another article

  1. IBM 1400 series

    Mid-range business decimal computers.

    43%

  2. Tabulating machine

    Late 19th-century machine for summarizing information stored on punch cards.

    26%

  3. IBM 402

    Tabulating machine introduced in 1949.

    5.3%

  4. Plugboard

    Control panel using electrical patch cords.

    4.6%

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