pinched mold flaw on a pitts flask, cool

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RED Matthews

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Hi again; Who ever gets this bottle; I hope you will let me know, because I would like to personally examine it - sometime. Even the picture shows the cloth like surface that comes from the carbon particles that mold use lifts off the filed and polished repair area. RED Matthews <bottlemysteries@yahoo.com>.
 

baltbottles

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I have been saving this shard for when this discussion came up again. This shard was excavated from an 1830s-50s privy in new york by me back in March. It looks to be of an early Saratoga type bottle.

It has two half leaf glass pinches one on the side and the second on the base. Both line up perfectly as they were caused by a parson that was placed into the mold off center when the mold was closed causing the two flaps to be created. The mold was then reopened and the parson rotated slightly by about 25 degrees. Then closed and the blowing of the bottle finished. This is evidenced by the finished mold seam shown running across the base of the shard through the bottom pinched flap.




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baltbottles

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This picture is of the interior of the shard showing the thicker sections of glass where the folds are, caused by the folding of the cooled flap onto and embedding into the surface of the rest of the still molten parson. This creates a distortion on the inside of the bottle because these areas of glass have a double thickness due to the embedded flap. the side flap is at about 3:00 in the image.


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baltbottles

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Finally this last image shows a very long fine bubble trapped under the folded pinch on the side of the shard. This clearly could not have been created by any mold alteration and is simply a mistake made during the blowing process. I plan to cut the fold on the side in half to show in cross section on the forum that it is clearly made of two separate layers of glass.

Chris




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GuntherHess

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Interesting example Chris. I dont see how that kind of evidence can be refuted.
The double fold on the side and bottom mold seam really makes it obvious.
 

RED Matthews

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Well baltbottles; I look forward to your results. I have seen pictures of similar pinched glass being on the bottom of bottles, and realize it has happened that way. But I still expect to find two bottles with the same mold source. There is a bottle in a museum near Albany NY that has two half-leaf forms X'd one over the other. I haven't gotten over there yet to examine them. RED Matthews.
 

JOETHECROW

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ORIGINAL: baltbottles

I have been saving this shard for when this discussion came up again. This shard was excavated from an 1830s-50s privy in new york by me back in March. It looks to be of an early Saratoga type bottle.

It has two half leaf glass pinches one on the side and the second on the base. Both line up perfectly as they were caused by a parson that was placed into the mold off center when the mold was closed causing the two flaps to be created. The mold was then reopened and the parson rotated slightly by about 25 degrees. Then closed and the blowing of the bottle finished. This is evidenced by the finished mold seam shown running across the base of the shard through the bottom pinched flap.




C960488477814581BF67F538E0CCFA63.jpg

Wow. What an amazing shard...perfect for this.
 

tigue710

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Nice Chris, glad you found one to cut. As far as the flask goes somebody has a few screws loose! I don't know who would bid that much on an overcleaned flask with a jacked up lip! Possibly the lip was tampered with but it looks alright to me... Not 240 alright though...
 

justanolddigger

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As far as the flask goes somebody has a few screws loose!

discpontil was the winner, they are into early glass and crudely made glass with flaws. I think they generally know what they are doing.
 

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