Image:SIGABA-rotor-unit.jpg
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SIGABA-rotor-unit.jpg (19KB, MIME type: image/jpeg)
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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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