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File:Colossus computer Q panel.png

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    Original file (828 × 1,229 pixels, file size: 879 KB, MIME type: image/png)

    Summary

    Description
    English: This wartime photograph of part of a Colossus computer shows the Q panel
    Date
    Source UK Public Record Office HW 25/4 and HW 25/5
    Author Good, Jack; Michie, Donald; Timms, Geoffrey (1945), General Report on Tunny: With Emphasis on Statistical Methods, UK Public Record Office HW 25/4 and HW 25/5

    Licensing

    Public domain
    This work created by the United Kingdom Government is in the public domain.

    This is because it is one of the following:

    1. It is a photograph taken prior to 1 June 1957; or
    2. It was published prior to 1976; or
    3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1976.

    HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
    More information.

    See also Copyright and Crown copyright artistic works.

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    Captions

    Colossus K2 switch panel showing switches for specifying the algorithm (on the left) and the counters to be selected (on the right). Wartime photograph

    Items portrayed in this file

    depicts

    electronics engineering

    media type

    image/png

    checksum

    ec41b6c64bae9dd84d0b9b7135ca313227e084a9

    determination method or standard: SHA-1

    data size

    899,971 byte

    height

    1,229 pixel

    width

    828 pixel

    File history

    Click on a date/time to view the file as it appeared at that time.

    Date/TimeThumbnailDimensionsUserComment
    current11:07, 16 October 2016Thumbnail for version as of 11:07, 16 October 2016828 × 1,229 (879 KB)TedColesUser created page with UploadWizard

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    Metadata

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