File:Black Chamber cryptanalytic work sheet for solving Japanese diplomatic cipher, 1919 - National Cryptologic Museum - DSC07698.JPG
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This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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Summary
| Description |
English: Exhibit in the National Cryptologic Museum, Fort Meade, Maryland, USA. All items in this museum are unclassified; items created by the United States Government are not subject to copyright restrictions. |
| Date | |
| Source | Own work |
| Author | Daderot |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 04:44, 6 July 2013 | 2,665 × 4,168 (4.03 MB) | Daderot | User created page with UploadWizard |
File usage
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