File:Dorothy Du Boisson.jpg

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Original file ‎(2,301 × 2,396 pixels, file size: 2.28 MB, MIME type: image/jpeg)

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Summary[edit]

Description Colossus codebreaking computer in operation
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.

العربيَّة | English | français | italiano | македонски | +/−

Author Unknown authorUnknown author
image extraction process
This file has been extracted from another file
: Colossus.jpg
original file

Licensing[edit]

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 1974; or
  3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.

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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File history

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Date/TimeThumbnailDimensionsUserComment
current21:34, 11 April 2018Thumbnail for version as of 21:34, 11 April 20182,301 × 2,396 (2.28 MB)Fæ (talk | contribs)Derived upscale from parent image, 616% larger in resolution with ~0.9 degrees rotation
17:56, 15 August 2016Thumbnail for version as of 17:56, 15 August 2016324 × 331 (84 KB)Magnus Manske (talk | contribs)File:Colossus.jpg cropped 35 % horizontally using CropTool with lossless mode.

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