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Admin21.07.2021

Pontil mark

Location: Grafton, West Virginia" Lewis Hine photo, Library of Congress.
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Admin22.07.2021

Pontil Meaning

Click to see an illustration of a portion of the Owens machine cycle Stages 2 and 3 which shows schematically how the knife cuts off the glass after Tooley 1953.
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Admin06.07.2021

Pontil. — FORM Atelier

The cup-bottom mold was also at least a three-part mold where the third piece was a base plate which had an shallow depression that "cupped" and molded the entire base and the lower heel of the bottle, though on earlier items 1870s and earlier it appears that the base plate was simply a flat piece of metal or even the floor of the glass works on which the two upper halves of the mold sat Kendrick 1968; empirical observations.
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Admin22.09.2021

What does a Pontil mark look like on a marble?

It should be noted that bottles having no evidence of a pontil scar of any type are typically referred to as having a "smooth base;" click to see that discussion on the Bottle Glossary page.
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Admin23.07.2021

Bottle Bases Page

Chips to rough cut spout above string rim, interior bubbles, some open.
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Admin11.09.2021

Everything You Always Wanted To Know About Pontil Scars (But Were Afraid To Ask)?

This is an unusual color for a New England style "Pitkin" as most were blown in darker shades of green e.
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Admin26.07.2021

What does a Pontil mark look like on a marble?

Bottle pictured is a Washington-Taylor figured flask Philadelphia, PA.
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Admin13.07.2021

PONTIL

The calabash bottle pictured above shows Toulouse's last point which is essentially that the inside and outside surfaces of the pontil "ring" be roughly perpendicular to the base surface or does if one is looking at the actual bottle.
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Admin01.09.2021

Antique Bottles, Onion, Demijohn, Scent, Flask

The lines of the bottle will not be sharp, but will flow.
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Admin02.09.2021

Bottle Bases Page

This feature is too subtle to be visible in the image, though it is indeed a keyed base in real life.