File:Jefferson's disk cipher.jpg

Original file (764 × 600 pixels, file size: 92 KB, MIME type: image/jpeg)

This file is from Wikimedia Commons and may be used by other projects. The description on its file description page there is shown below.

Jefferson's disk cipher. From [1] archive copy at the Wayback Machine.

	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 Federal 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.

PDMCreative Commons Public Domain Mark 1.0falsefalse

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:19, 7 August 2005		764 × 600 (92 KB)	wikimediacommons>Dake~commonswiki	Jefferson's disk cipher. From [http://www.nsa.gov/gallery/thumbs/thumb00050.jpg]. {{PD-USGov-NSA}}

There are no pages that use this file.