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Reference.org
Kilner jar
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<p>A Kilner jar is a rubber-sealed, glass <a href="/facts/Jar/BBNqD6an">jar</a> used for preserving (<a href="/facts/Home_canning/Dq3RDRlP">bottling</a>) food. It was first produced in 1900 by John Kilner & Co., <a href="/facts/Yorkshire/jE4s4LNG">Yorkshire</a>, <a href="/facts/England/U9mE5bGL">England</a>. </p>