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Picture of Wayne C. Anderson
posted
On display at the CRMI

 
Posts: 886 | Location: Nebraska, in the U.S.A. Heartland | Registered: November 22, 2002
Picture of Frank Juchniewicz
posted
Wayne, that's a toughy.



Frank
 
Posts: 440 | Location: Philadelphia, Pennsylvania USA | Registered: January 28, 2003
IHC Member 456
posted
I'm pretty sure that it's a wristwatch case back opener/closer.
Mike
 
Posts: 541 | Location: Mohrsville, Pennsylvania U.S.A. | Registered: February 15, 2005
IHC Member 456
posted
It's a Williams Universal spanner wrench for opening and closing case backs. The patent number is 2418999. You can look up the patent at the uspto.gov website
 
Posts: 541 | Location: Mohrsville, Pennsylvania U.S.A. | Registered: February 15, 2005
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