If this is what I think it is, then that would probably explain why it seems so unique, The guy I got this off of told me it was the most accurate lathe he has ever used, then he told me it was made specifically for navy subs, which would explain the high accuracy of it. The funny thing is my dad was a molder in the navy at the sub base in CT and I was actually born on the base. Pretty interesting how things fall into your hands. Anyways I thought I would share a few pics with some of you old time machinist, I figured you would appreciate them.