80-G-1036458:  Space Flight Program.  This is the Aviation Medical Accelerator Laboratory (AMAL).  As a vital part of the Naval Air Development Center at Johnsville, Pennsylvania, the AMAL houses the world’s largest human centrifuge in the center of the of the 110-foot floor is a 180-tone, 4,000 horsepower vertically mounted D-C motor.  Used in researching simulated space flights, the motor has an instantaneous rating of 16,000hp, late 1950s.   Official U.S. Navy Photograph, now in the collections of the National Archives.  (2018/01/10).
<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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