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Summary
| Description | Derived from a photo taken at the National Cryptologic Museum, NSA. |
| Date | Unknown date |
| Source | The Union Cipher Disk |
| Author | Ryan Somma from Occoquan, USA |
Licensing
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:51, 3 September 2021 | | 1,200 × 1,200 (234 KB) | Belbury | padding |
| 13:46, 3 September 2021 |  | 1,150 × 1,150 (232 KB) | Belbury | rotate | |
| 13:46, 3 September 2021 |  | 1,150 × 1,150 (262 KB) | Belbury | monochrome version | |
| 13:45, 3 September 2021 |  | 2,048 × 1,360 (1.76 MB) | Belbury | Transferred from Flickr via #flickr2commons |
File usage
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