Posted by I was focused.... on January 23, 2004 at 09:58:33:
In Reply to: Re: Re: Re: Serial Numbers on York Master? posted by C(G) on January 23, 2004 at 00:39:48:
... on the way the 3rd valve tubing is wrapped and completely overlooked the detachable bell. Looking further, the strap and thumb ring attachments are different. You and Klaus have it right.