Image:CCM-stepping-mechanism.jpg
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United States SIGABA (ECM Mk II) cipher machine.
Source: US Navy operating instructions, May 1944. Provided online by Richard Pekelney/Historic Naval Ships Association: http://www.hnsa.org/doc/crypto/ecm/index.htm
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This image is a work of a sailor or employee of the U.S. Navy, taken or made during the course of the person's official duties. As a work of the U.S. federal government, the image is in the public domain. |
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| Date/Time | Dimensions | User | Comment | |
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| current | 13:09, 27 November 2005 | 456×298 (21 KB) | Matt Crypto | (United States en:SIGABA (ECM Mk II) cipher machine. Source: US Navy operating instructions, May 1944. Provided online by Richard Pekelney/Historic Naval Ships Association: http://www.hnsa.org/doc/crypto/ecm/index.htm {{PD-USGov-Military-Navy}} [[Ca) |
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