File:Colossus.jpg

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Description
العربية: الإصدار الثاني من حاسوب كولوسوس الذي استعمل في استخراج المُعمَّى خلال الحرب العالمية الثانية، يظهر في الصورة مُشغلَّتان للحاسوب هما دُرثي دو بويسون و إليز بوكر.
English: A Colossus Mark 2 codebreaking computer being operated by Dorothy Du Boisson (left) and Elsie Booker (right), 1943
Date
Source
This file is from the collections of The National Archives (United Kingdom), catalogued under document record FO850/234. For high quality reproductions of any item from The National Archives collection please contact the image library.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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Author Unknown authorUnknown author
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Licensing

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

This is because it falls under one (or more) of the following:

  1. It is a photograph taken prior to 1 June 1957; or
  2. It was published prior to 1975; or
  3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1975.

HMSO has declared that the expiry of crown copyright applies worldwide (ref: HMSO email reply)
More information.

See also Copyright and Crown copyright artistic works.

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A Colossus Mark 2 computer being operated by Dorothy Du Boisson (left) and Elsie Booker (right), 1943

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Dorothy Du Boisson

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image/jpeg

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adabf9e44b337eed5502c7dc5240e3f17e53d3be

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2,337 pixel

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3,504 pixel

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Date/TimeThumbnailDimensionsUserComment
current01:26, 9 March 2017Thumbnail for version as of 01:26, 9 March 20173,504 × 2,337 (887 KB)wikimediacommons>UzumeLarger more detailed scan

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