File:330-ps-7755-usn-709569 16395764259 o.jpg

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Description
English: 330-PS-7755 (USN 709569): U.S. Navy’s Transistorized High-Speed Telegraph Set. This is a comparison photograph showing the new high-speed telegraph transmitter-receiver set, right, which uses transistors instead of vacuum tubes and the old telegraph electronic multiplex, left. The new set is 80 percent smaller and 82 percent lighter than the old set it is designed to replace. The set was developed by the teletype corporation for the Bureau of Ships. March 14, 1956. (2/18/2015).
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Source National Museum of the U.S. Navy
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Public domain
This image is a work of a U.S. military or Department of Defense employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.

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current19:38, 9 July 2018Thumbnail for version as of 19:38, 9 July 20182,948 × 2,120 (1.73 MB)Tyler de Noche (talk | contribs)

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