Value of Old Canning Jars
No, not at a movie on Saturday night. Not that kind of date. Instead, I mean how do you tell how old your Ball jar is? One of the most common emails I receive comes with a description of a jar—e. Luckily, there are some tips and tricks you can use to determine an dating vintage atlas canning jars age for your jar. First check the logo, which changed fairly frequently until about The earliest logo was the intertwined BBGMC—Ball Brothers Glass Manufacturing Company—used on jars made in Buffalo, New York.
Rejoice if you find one of those; Buffalo jars are pretty rare. They were first made in Buffalo in and for several years after. But, you say, how can the date be correct, since you have a jar embossed with a patent date of That was the date when John Mason received his patent for the threaded screw-type closure, and it appears on many different brands of jars. How about dating vintage atlas canning jars big number on the bottom of many jars?
Does that help date the jar? Again, the answer is unfortunately, no. These are called mold numbers. They identify the position that the mold in which the jar was made held on the glassmaking machine. Most machines would have from eight to ten molds, all making the same type of jar. The quality control people used the number on the bottom of the jar to identify which mold was producing bad jars.
The number has nothing to do with when the jar was made. Dick is a retired Curator of Business and Industrial History at Minnetrista. He taught me everything I know about Ball jars, but not everything he knows. Website Design by SpinWeb. Home Heritage Collection Blog Food Preservation Gardens Local History Ball Family History Other Happenings Careers Contact Us Community Business Dating vintage atlas canning jars.
How to Date a Ball Jar. How to Date a Ball Jar Posted by: Vincent on Thursday, June 27, at 5: Calendar Find out what's happening at Minnetrista Blog Go behind the scenes