Dating kerr jars

Click here to go to the Glass Bottle Marks pages (page one).For more detailed information on Kerr’s Millville, New Jersey glass factory location, (where most of the KERR glass electrical insulators were made), please see my article on Whitall Tatum & Company.

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I’m the current contact for information about historical Ball jars on the Ball Corporation web site.

Instead, I mean how do you tell how old your Ball jar is?

Two Online Resources Now you know that you can determine an approximate age from the logo and that the big number on the bottom won’t help—even a “13,” but that’s a story for another day.

To get a little more help in determining the age of your jar, visit the Minnetrista Heritage Collection and do a keyword search on “Ball jar.” Match your jar to one of those listed and check the dates.

These humble glass pieces were designed for putting up fruits and vegetables in the days before refrigeration.

Kerr self-sealing jars and the Kerr Economy were created in 1903. Kerr also founded the Hermetic Fruit Jar Company in the same year.

Luckily, there are some tips and tricks you can use to determine an approximate age for your jar.

First check the logo, which changed fairly frequently until about 1962.

The Kerr glass plants were bought by Ball Corporation in 1992, (Ball later left the glass container business altogether, and sold the plants to Saint-Gobain Containers, now Verallia).

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