w:KY-68 voice encryption system on on display at the w:National Cryptologic Museum in 2005.

• Photographer: Austin Mills
• Image cropped from: [1]
• Licensing information: Email exchange with User:Matt Crypto
• Image cropped and touched up to remove extraneous background by User:ArnoldReinhold who waves any additional rights to public domain.

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• 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.
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This image, originally posted to Flickr, was reviewed on 12 April 2007 by the administrator or reviewer MECU, who confirmed that it was available on Flickr under the stated license on that date.