Ball perfect mason jar dating websites
These were the very first wide-mouth jars (something that Ball was quick to duplicate).In 1915, Kerr developed the metal lid with a permanent rubber gasket.The container was sealed with sealing wax that was poured into a channel around the top of the jar.The jar was then closed with a tin lid that stuck in the wax.This two-part lid system transformed home canning and is still in use.Collecting Canning Jars Collectors love antique canning jars and the value of the jar is in its color, shape, mold and production marks.
The Mason Jar Tinsmith John Mason figured out how to cut threads into a glass container that would fit a zinc lid with a rubber seal–this container was also reusable.
The glass jar had a glass lid and a metal clamp that held the lid in place, and was sealed with a rubber gasket.
They were popular because no metal could touch the food to contaminate it.
The metal clamps also made the lids easier to seal and remove, hence the name “Lightning Jar.” Similar glass lid and metal clamp jars were made into the 1960s.
They can easily be found at garage sales and flea markets.
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The earliest glass jars were called wax sealers, because they used sealing wax, which was poured into a channel around the lip that held on a tin lid.