Dating old kerr jars
They were clearly marked with a fill line to allow for head-space.They are straight sided in order to allow the frozen contents to be removed easily.Several of these jars and closures were found in an old warehouse.I also found a bunch of Atlas jars and some that are really pretty but have no name nor do they take a standard size lid, it falls in between a regular and a wide.Dating the Logo Locating Other Identifying Marks Knowing What Marks and Labels to Disregard Community Q&A Ball mason jars are a type of home canning jar made by the Ball Corporation.The company started making mason jars back in 1880, and many people today still use these for canning, or collect the jars as a hobby.The Kerr Self Sealing Mason jar was developed by the Hermetic Fruit Jar Company, founded by Alexander Kerr in 1903.The Self Sealing jar was one of the first products that the company released.
Freezer jars were designed to be used in the freezer.The Strong Shoulder can be identified by a slightly raised line that goes around the upper part, the "shoulder" of the jar. The were introduced to the general public in the 1920s and were popular through the 1950s.There were not so many of the square jars made so they tend to be a little higher in value.These marks will usually be found on jars made beforealthough a few were made after that time.February 25, at 1: Beekissed Aug 30, This is also when Ball began underlining their logo. Between andthe A in the word Ball had an ascender at the beginning that looked like it should connect with the B.