Dating atlas canning jars
The cracking was a common problem with shoulder seal jars.Hazel-Atlas Glass Company were in business from the late 1800s until 1964.This allowed re-use of old canning jars together with inexpensive and easy to use disposable lids. This two-part lid system transformed home canning safety and is still in use today.
Clamped Glass-Lid Jars (Lightning Jars) In 1882, Henry William Putnam of Bennington, Vermont, invented a fruit jar that used a glass lid and a metal clamp to hold the lid in place.Later versions (after around 1936) were made in clear glass, and some (usually from the 1950s) in brown amber.More rarely, jars will turn up in darker shades of green.Since the first Ball jar was produced in Buffalo 125 years ago, the company has made many variations of the glass jar including the Mason’s Patent 1858, the Perfect Mason, the Mason Improved, the Sure Seal, the Ideal, the Eclipse, the Standard, and of course, the Special. Kerr opened the Hermetic Fruit Jar Company, producing some of the first wide-mouth jars, which were easy to fill and empty.Among the first commercial; products were the Economy and Self Sealing jars.