I doubt that there were many if I'm correct in the two blowpipe theory and that the glass tipped end was kept hot for adhesion in the furnace opening. I believe that the search for an improved pontil stemmed more from eliminating the risk of the sharp scar protruding from the bottle's base...
The iron pontil was considered an improvement over the glass-tipped blowpipe or solid rod pontils, but was soon abandoned for the much quicker snap, which produced an even cleaner bottle. Most modern blown glass doesn't lend itself to the use of snaps, usually because of the decorative, many...
I couldn't agree more. It amazes me what people throw away that their parents, grandparents, etc. treasured, with no thought whatsoever towards finding out, "Hey, could this be worth something?". I could give several heartbreaking examples, but your illustration tells me that you already get...
It appears to be iron pontiled, but did they not catalog or picture such damage as that? It would definitely be worth repairing, considering you'd be doing it yourself and wouldn't be out any money (except the cost of materials). My opinion would be tempered according to what you had to pay...