Lot-3632-3:  WWI-German Activities.   Deutschland, German U-boat, showing the central command of the submarine.  Halftone photograph. Courtesy of the Library of Congress.  (2017/03/03).
<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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