One of these beasts, circa 1982, is going up for auction tomorrow morning. Location is central Utah. It's a 230/460v 3ph machine originally built on Federal contract.
https://www.facebook.com/photo.php?fbid=10205122766649906&set=pcb.1496127840714512&type=3&theater
https://www.facebook.com/photo.php?fbid=10205122766649906&set=pcb.1496127840714512&type=3&theater