Dating old kerr jars acceptable age range for dating

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The information has been obtained from various sources or based on my collecting experience and is true to the best of my knowledge.

The familiar term Mason Jar came after its inventor, Mr. Mason, who, at age 26, was a tinsmith in New York City.

He perfected a machine that could cut threads into lids, which ushered in the ability of manufacturing a jar with a reusable, screw-on, lid.

These jars freed farm families from having to rely on pickle barrels, root cellars, and smoke houses to get through the winter.

The earliest advertisements for the Lightning jar date back to the year 1885. Putnam was the man behind the marketing of the Lightning jars and making them popular. Putnam also held exclusive ownership of the patents, and for many years, claimed the impressive profits from selling the jars.

The Lightning jars were made by a number of glass companies in several states including Lyndeboro Glass, Lindboro, NH; Edward H. Interestingly, Putnam was living in San Diego at the time but it is not known if any California company made his jars glass.

Lightning jars represent an important advancement in the history of home canning and are still a part of American culture.

-8.00 Aqua Atlas E-Z Seal 1/2 Pint, Lightning Seal, c.

I make no claims or guarantees that the information contained in this document is the definitive truth.

Mason wasn’t the only manufacturer to add this patent date to his jars, hence its vast proliferation.

John Mason invented and patented the process for cutting a thread onto the lip of glass jars, as well as a corresponding thread inside zinc lids, which could then be screwed tightly onto the jars.

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