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John Landis Mason (c. 1832 in Vineland, New Jersey – February 26, 1902) was an American tinsmith and the patentee of the metal screw-on lid for antique fruit jars commonly known as Mason jars. Many such jars were printed with the line "Mason's Patent Nov 30th 1858". [1] He also invented the first screw top salt shaker in 1858.
A collection of Mason jars filled with preserved foods. A Mason jar, also known as a canning jar, preserves jar or fruit jar, is a glass jar used in home canning to preserve food. It was named after American tinsmith John Landis Mason, who patented it in 1858. The jar's mouth has a screw thread on its outer perimeter to accept a metal ring or ...
It is best known for its early production of glass jars, lids, and related products used for home canning. Since its founding in Buffalo, New York, in 1880, [2] when it was known as the Wooden Jacket Can Company, the Ball company has expanded and diversified into other business ventures, including aerospace technology. It eventually became the ...
The stretchy lids can be used to cover up sauce pots and awkwardly shaped serving bowls, as well as jars, cans and halves of produce. ... or to store dry goods in spare mason jars in your pantry ...
During the canning process the lids are secured by the clips which can be removed once the processing is complete and the jars have cooled since the lid is being forced shut by atmospheric pressure. A correctly sealed jar is indicated when the tab of the rubber seal points downward.
Canning is a method of food preservation in which food is processed and sealed in an airtight container (jars like Mason jars, and steel and tin cans). Canning provides a shelf life that typically ranges from one to five years, [a] although under specific circumstances, it can be much longer. [2]
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