Tool: Kilner Jar


A Kilner jar is a rubber-sealed, screw-topped jar used for canning and preserving food. It was invented by the Kilner family and produced by John Kilner & Co. in Yorkshire, England. Originally, it was a glass plug with a rubber seal attached to the top, then secured with a metal screw-top lid. Contemporary "Kilner-style" jars usually have a lid made entirely of metal.



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