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Burroughs Duplex Subtractor

American History Museum

Adding Machine, Burroughs Duplex Subtractor.
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  • Adding Machine, Burroughs Duplex Subtractor.
  • Adding Machine, Burroughs Duplex Subtractor.

    Object Details

    maker

    Burroughs Adding Machine Company

    Description

    This black full-keyboard printing adding machine has 13 columns of black and white round plastic keys above an unpainted steel keyboard. On the right of the number keys are a variety of function keys. One column of these refers to register 1, the other to register 2. In back of the keyboard is a wide carriage, with a place for a paper tape. On the top are two sliding steel markers, one missing a piece. No cord or handle.
    A red paper tag attached to the machine reads: PATENT DEPT. (/) #176. A metal tag with the object reads: B.A.M.CO. (/) MODEL (/) NO 1020. The machine is marked on the front: Burroughs. The mark has a hook over the ā€œgā€ in Burroughs. A paper sheet received with the machine reads: Do not depress Register #1 motor (/) bars while operating machine as Register (/) wheels do not shift properly and machine (/) will lock on half cycle. A metal tag attached to the object reads: DONATED TO (/) The Smithsonian Institution (/) by (/) Burroughs Corporation.
    The machine is associated with Burroughs inventor Ernst Racz. It was model #176 in the collection of the Patent Division of Burroughs Corporation.

    Location

    Currently not on view

    Credit Line

    Gift of Burroughs Corporation

    date made

    ca 1940

    ID Number

    1982.0794.31

    catalog number

    1982.0794.31

    accession number

    1982.0794

    Object Name

    adding machine

    Physical Description

    plastic (overall material)
    paper (overall material)
    metal (overall material)

    Measurements

    overall: 27.6 cm x 49 cm x 38.5 cm; 10 7/8 in x 19 9/32 in x 15 5/32 in

    place made

    United States: Michigan, Detroit

    See more items in

    Medicine and Science: Mathematics
    Adding Machines
    Science & Mathematics

    Data Source

    National Museum of American History

    Subject

    Mathematics

    Metadata Usage

    CC0

    Link to Original Record

    https://n2t.net/ark:/65665/ng49ca746a5-1165-704b-e053-15f76fa0b4fa

    Record ID

    nmah_694112

    Discover More

    Burroughs brand adding machine.

    Full-Keyboard – Burroughs

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