Ideas?

[mingoman64]

Found this a few days ago and I've no clue how it was used. Its not like the bail top lids, but I'm guessing used a rubber seal.
Anyone know?

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[Dogo]

It is a lid for a Mason jar that used a metal screw band to hold it in place. There would have been a rubber gasket for a seal. It may have been for a product jar or home canning. It was made by the Jeanette Glass Co, of Jeanette Pa. some time after 1915 according to my book.

 

[mingoman64]

Thanks!

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[jarsnstuff]

The Jeannette Mason jars were made in the 1940s, and only in quart size. These glass inserts & metal screw bands were used primarily during WWII to conserve metals.

 

[mingoman64]

The Jeannette Mason jars were made in the 1940s, and only in quart size. These glass inserts & metal screw bands were used primarily during WWII to conserve metals.

Now if I can only dig an intact jar to match it. Thanks!

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