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NH 41640 First Rotating Beam Radar

Photo #: NH 41640  First Rotating Beam Radar
Title: First Rotating Beam Radar
Description: (200 megacycle radar used for transmitting and receiving) Developed by the U.S. Naval Research Laboratory (NRL) in 1937. Official U.S. Navy Photograph, from the collections of the Naval History and Heritage Command.
Catalog #: NH 41640
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