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File:Abacus 6.png

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    Original file (247 × 145 pixels, file size: 26 KB, MIME type: image/png)

    Summary

    Description
    Bahasa Indonesia: Sempoa
    Deutsch: Abakus
    English: Abacus
    Español: Ábaco
    Français : Abaque
    Svenska: Abakus, Kinesisk
    Source
    • Article for "abacus", 9th edition Encyclopedia Britannica, volume 1 (1875); scanned and uploaded by Malcolm Farmer
    • Transferred from en.wikipedia to Commons.
    Author Encyclopædia Britannica

    Licensing

    Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1931. As such, this image is in the public domain in the United States.

    Captions

    The Abacus-This was one of the earliest manual computer in the history of computer evolution. Add RR

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    image/png

    height

    145 pixel

    width

    247 pixel

    data size

    26,558 byte

    checksum

    107c644efd847f60e6036f8e7580ff5e36b6b710

    determination method or standard: SHA-1

    File history

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    Date/TimeThumbnailDimensionsUserComment
    current21:10, 21 August 2023Thumbnail for version as of 21:10, 21 August 2023247 × 145 (26 KB)Obscure2020Optimized with OxiPNG and ZopfliPNG.
    10:53, 18 May 2005Thumbnail for version as of 10:53, 18 May 2005247 × 145 (33 KB)Luestling~commonswiki{{English}} Abacus<br> {{German}} Abakus Scanned and uploaded by Malcolm Farmer (englische Wikipedia) '''Source:''' Article for "abacus", 9th edition Encyclopedia Britannica, volume 1 (1875) {{PD}} Category:History of mathematics

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