How to Date Old Ball Mason Jars (with Pictures) - wikiHow.
They were perfect jars and given as a jar. Contrary to above comments, I use the general, square pints for canning every year. They are great for tuna, larger vegetables like beets and for canning pear halves. There are only 1858 of us at home now so I seldom use quart jars any more. Disclosure: As an Amazon Associate I earn from medicine.
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