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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 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

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

electronic 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

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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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