File:Colossus.jpg

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Summary

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
Other versions Derivative works of this file:  Dorothy Du Boisson.jpg: 

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 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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Captions

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

Items portrayed in this file

depicts

Dorothy Du Boisson

MIME type

image/jpeg

checksum

adabf9e44b337eed5502c7dc5240e3f17e53d3be

determination method: SHA-1

data size

908,711 byte

height

2,337 pixel

width

3,504 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current19:56, 8 March 2017Thumbnail for version as of 19:56, 8 March 20173,504 × 2,337 (887 KB)UzumeLarger more detailed scan
19:24, 1 March 2009Thumbnail for version as of 19:24, 1 March 2009500 × 331 (97 KB)Ian Dunster~commonswiki Changed to greyscale.
02:50, 8 January 2006Thumbnail for version as of 02:50, 8 January 2006500 × 331 (34 KB)Hellispfrom en.wikipedia http://en.wikipedia.org/wiki/Image:Colossus.jpg {{{PD}} Category:Supercomputers

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