Harry Pristis
Posts: 495
Joined: 7/24/2003 From: Northcentral Florida Status: offline
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Hello, Brian . . . My point was that we cannot know why the "PATENT" was obliterated from the mold. The lettering could have been worn out and removed because the bottles didn't look good any longer. The lettering could have been removed due to machinist error, such as cutting a backwards "E", for example. Or, it is possible that the buyer of these bottles just didn't want any embossment on the shoulder. A plate mold which would use "slug plates" is a development of the later half of the 1800s, according to Munsey. This is a bit later than your bottle, I think. Perhaps there is someone here who is familiar with the repair of metal molds. I am guessing that the grooves cut to make the letters were filled in with rod stock -- peened, welded, and ground smooth. I think such a repair could never be perfect, especially at high temperatures, because of the differences between the welding stock and the mold, and because of unavoidable flaws in the patch. So that everyone here knows what we are talking about, here is a bottle from a patched mold. I don't know the history of this patent medicine, but it seems clear that DR. W. H. BULL stopped advertizing himself as a "DR." as this was obscured by a patch in the mold for this bottle. I guess this falls into the category of "error." Can you see the trace? -----------Harry Pristis
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