80-G-464209: Sextant used by an Ensign aboard USS Teal (AM 23), 1942.  U.S. Navy photograph, now in the collections of the National Archives.  (2017/02/07).
<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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