Ball jar dating
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Most factories had about ten or so molds, used to produce their jars. Using the guide I showed you a few weeks ago, I dated this shoulder seal Ball jar to 1900-1910.
It is known as the “triple L” because the loop on the end looks like a third “L.” You can see a couple of large “seeds” (trapped air bubbles) under the “Ball.” A couple more seeds on the back.
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.
What technology, techniques, or processes were used to manufacture the bottle? Where did the bottle come from, i.e., where was it made and/or used? Where can I go for more information on historic bottles?
Since there were hundreds of thousands of uniquely different bottles produced in the United States (and Canada**) between the late 18th century and the 1950s (Fike 1987), it is beyond the scope or even possibility of this site (or website or book) to provide specific details about more than just a tiny fraction of a percent of that variety of bottles.
These jars carry the familiar embossing "Mason's Patent Nov. This date refers to the original patent date, not the actual date of manufacture.Part of the mission of the BLM is the management and preservation of the cultural and heritage resources found on America's public lands - prehistoric and historic.The author created this website as a BLM employee and continues to update and enhance the site in retirement as a volunteer. 11 offers many needed updates, 500 new additions and revisions.I make no claims or guarantees that the information contained in this document is the definitive truth.
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Even then the bottles discussed in depth are so primarily to illustrate the presented information and concepts.