Lot 9431-7:  How to Save Five Weeks in Ship Construction.   A crane swings the a hull section for a submarine chaser, possibly the PC-461-class, into place.  The ship will be welded together before being righted for finishing touches and addition of the superstructure, circa 1942.  Office of War Information photograph.  (10/2/2015).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/127906254@N06/21903450222/">Lot 9431-7</a>