Mason jars bulk5/3/2023 ![]() This means that any authentic blue Ball Mason jar is at least 77 years old. #7 – 1937 was the last year a blue Ball Mason jar was made. Some of these colors are very rare and quite valuable. #6 – Mason jars come in more colors than clear or blue.Īlthough I have not come across them, Mason jars come in many different hues – green, pink, red, amber, yellow, cobalt blue, black and milk glass. These are called Lightning jars because you can take the lid off “fast as lightning.” This design was invented in 1882 by Henry William Putnam of Bennington, Vermont. The Ball jar on the left is an Ideal Bar jar and the one on the right is a RE Tongue and Bros Lustre jar made in Philadelphia. These jars do not have a screw threads and therefore are not Mason jars. #5 – All Ball or blue jars are not Mason. Other types of Ball jars include Ball Mason, Ball Ideal, Ball Improved, Ball Special and Ball Sure Seal. Left – ‘a’ loop – 1910-23 Right – Open B loop with underscore – 1933-62 #4 – Ball Perfect Mason jars were a type of fruit (and vegetable) canning jar made from 1913-60. The one of the left has an “a” loop and is dated 1910-33 while the one on the right has an open “B” loop and, with the underscore, was made between 1933-62. The two Ball jars are the right are dated by the lettering and underscore marking. ![]() The Ball jar on the left is dated between 19 because of the absent underscore. With this chart found on the Minnetrista website, it’s pretty easy to get an approximate date. Ball Mason jars can be roughly dated using their logo. For instance, a Lamb Mason jar was made from the 1930s to 1940s by the Lamb Glass Co. With short-lived companies such as Lamb, Atlas and Drey, it’s pretty easy dating their Mason jars. #3 – The age of a Mason jar can be roughly determined by its manufacturer and logo. Along with an extensive product line, they make both Ball and Kerr Mason jars. Today, the primary Mason jar producer in the United States is Jarden Home Brands. Although many of us are familiar with Ball Mason jars, there’s also Kerr, Lamb, Atlas, Drey, Golden Harvest and a few others. There were once many different manufacturers of this patented design. ![]() When you refer to a Mason jar, you are talking about a type of jar with screw threads at the mouth. #2 – Mason jars are not a brand but a type of glass container. This was a major breakthrough because it meant summer vegetables and fruits could be preserved for the winter months. A metal lid with a rubber ring inside could be screwed securely on the jar and food could then be safely preserved. He invented a machine that could cut screw threads in the lip of a glass jar. Mason jars were patented on Novemby John Landis Mason, a Philadelphia tinsmith.
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