Category - Tube 6
The kerr economy and kerr self sealing jars were developed in 1903 by alexander h. Kerr utilised the patents of julius landsberger from san francisco for a metal lid with a permanently fastened composition gasket. For much more detailed background information on kerr glass manufacturing corporation,. Timothy edwards says january 31, 2017 at 753 pm i have a one gallon glass jar that has ahk on the bottom with the number 2000-h-3 then a 4. ball mason jars are a type of home canning jar made by the ball corporation. The company started making mason jars back in 1880, and many people today still use these for canning, or collect the jars as a hobby. Aug 3, 2015 - kerr self-sealing jars and the kerr economy were created in 1903. Kerr also founded the hermetic fruit jar company in the same year. San francisco man julius landsberger patented metal lids fastened onto a composition gasket. Kerr used the patents to create a revelation in preserving food. Aug 28, 2016 - kerr self-sealing jars and the kerr economy were created in 1903. Kerr also founded the hermetic fruit jar company in the same year. San francisco man julius landsberger patented metal lids fastened onto a composition gasket. Kerr used the patents to create a revelation in preserving food. Ball mason jars are still being produced up to this day and there are no signs of stopping soon. But if youre one of the lucky ones to have found an old ball mason jar, or if you are an avid collector of such items, then dating these things is very important. Dating kerr mason jars exposure to identify vintage mason self sealing mason, created a ball kerr jars in. There were designed for storage or bead old kerr glass manufacturing corporation, hence its. I have a revelation in 1915, just by the midwest antique mason jar, 2015. Kerr jars are often the brand of the choice when it comes to canning. Food preservation has always been essential to human survival. I love the history they carry as well as their charm and character. While it is okay to use them for storage or even as a refrigerator container, you should never process old jars in a canner. The old glass cant take the temperature change and might shatter which would. 30th 1858 patent date appears on literally thousands of canning jars produced between 1858-1920. Mason wasnt the only manufacturer to add this patent date to his jars, hence its vast proliferation.