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DEPARTMENT OF THE NAVY -- NAVAL HISTORICAL CENTER
805 KIDDER BREESE SE -- WASHINGTON NAVY YARD
WASHINGTON DC 20374-5060

Online Library of Selected Images -- Picture Data

Photo #: NH 41638

First Rotating Beam Radar Antenna

(for 200 megacycle radar used for transmitting and receiving)

Developed by the Naval Research Laboratory (NRL) in 1937.
This view shows the antenna installed "topside" on a NRL building in Anacostia, District of Columbia, at about that time.
"This was a so-called 'dirigible' antenna, meaning it is so mounted that it can be turned to allow for around-the-compass search." (quoted from the original picture caption, released on 14 August 1945.)

Official U.S. Navy Photograph, from the collections of the Naval Historical Center.

Online Image: 120KB; 725 x 925 pixels

 

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Image posted 7 June 2008