Posted by Stan Willis (67.96.1.141) on August 23, 2002 at 18:37:44:
In Reply to: Re: Sheffield key posted by george mc minn on August 23, 2002 at 15:06:18:
If you see a Darby with a very small diameter keyhole (about .5cm or 3/16 inch) it uses the Sheffield pattern key.
Stan