File:Purple_cipher_machine_analog_bw_photo_NCM.jpg
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Summary
DescriptionPurple cipher machine analog bw photo NCM.jpg |
English: Analog of the Japanese Type B Cipher Machine (PURPLE) built by the U.S. Army Signal Intelligence Service during World War II. Photograph on display at the National Cryptographic Museum. |
Date | |
Source | Cropped and rotated from File:PURPLE analog, improved version of March 1944 - National Cryptologic Museum - DSC07831.JPG and said improvements released under CC0 by--agr (talk) 00:10, 25 April 2019 (UTC) |
Author | Daderot |
Licensing
Public domainPublic domainfalsefalse |
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.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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24 April 2019
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:22, 24 April 2019 | 802 × 585 (442 KB) | ArnoldReinhold | User created page with UploadWizard |
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Date and time of data generation | 09:14, 24 April 2019 |
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Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | GIMP 2.10.10 |
File change date and time | 14:35, 24 April 2019 |
Date and time of digitizing | 09:14, 24 April 2019 |