Posted by Stan Willis (67.96.1.14) on August 23, 2002 at 14:02:09:
In Reply to: Sheffield key posted by george mc minn on August 23, 2002 at 13:16:35:
Sheffield Pattern was a Hiatt design for a Darby cuff that uses a solid key with a thread on the outside of the key shaft (like a bolt as a key). They are quite hard to find.
Stan