Lot-11550-4: WWI: French Activities.  Amiens.  American searchlight crew and equipment in action on Somme front.  36” searchlight of high power showing arrangement of digging in for protection, also camouflaged earth works, plotting room and parabaloid sounding device for locating approaching planes by sound.  Large Riker truck with generator built in front.  Position near Gleesy.  Morris’ War Photographs.   Courtesy of the Library of Congress.  (2017/02/03).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
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