80-CF-8653-6:  Interior view showing men working on machinery at the Pratt and Whitney Company, East Hartford, Connecticut,  March 13, 1940.   (7/22/2015).
<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@N06/19915052246/">80-CF-8653-6</a>