File:Codebook.jpg

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Codebook.jpg ‎(640 × 480 pixels, file size: 446 KB, MIME type: image/jpeg)

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Summary[edit]

A picture of a codebook for telegraphic correspondence (from english Wikipedia): Union codebook; pic from NSA museum.

Public domain
This article or image contains materials that originally came from a National Security Agency (NSA) website or publication. It is believed that this information is not classified, and is in the public domain in the United States. See the privacy and security information.

Licensing[edit]

Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

English Wikipedia History[edit]

  • 02:22, 25 June 2004 Matt Crypto 640×480 446 KB (same name)

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Date/TimeThumbnailDimensionsUserComment
current10:42, 3 January 2007Thumbnail for version as of 10:42, 3 January 2007640 × 480 (446 KB)OS (talk | contribs)A picture of a codebook for telegraphic correspondence (from english Wikipedia): Union codebook; pic from NSA museum. {{PD-USGov-NSA}}

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