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2. Mason jar - Wikipedia

   en.wikipedia.org/wiki/Mason_jar

   A jar's age and rarity can be determined by the color, shape, mold and production marks of the glass, and the jar's closure. Mason jars usually have a proprietary brand embossed on the jar. Early jars embossed with "Mason's Patent November 28th 1858" that date from the late 1850s to early 1860s closely match the illustrations of Mason's 1858 ...

3. John Landis Mason - Wikipedia

   en.wikipedia.org/wiki/John_Landis_Mason

   Mason's innovation was a square-shouldered jar with threaded screw-top, matching lid, and rubber ring for an airtight seal. Mason's easy-to-use, re-usable jars made home canning popular among American settlers, homesteaders, and even in urban homes. Most Mason jars were manufactured by competitors after his patent expired in 1879.

4. Pontil mark - Wikipedia

   en.wikipedia.org/wiki/Pontil_mark

   Pontil scar on the base of a free-blown glass bowl. A pontil mark or punt mark is the scar where the pontil, punty or punt was broken from a work of blown glass.The presence of such a scar indicates that a glass bottle or bowl was blown freehand, while the absence of a punt mark suggests either that the mark has been obliterated or that the work was mold-blown.

5. Hazel-Atlas Glass Company - Wikipedia

   en.wikipedia.org/wiki/Hazel-Atlas_Glass_Company

   Hazel-Atlas Glass Company. The Hazel-Atlas Glass Company was a large producer of machine-molded glass containers headquartered in Wheeling, West Virginia. It was founded in 1902 in Washington, Pennsylvania, [1] as the merger of four companies: Hazel Glass and Metals Company (started in 1887) Atlas Glass Company (started 1896) Wheeling Metal Plant

6. Weck jar - Wikipedia

   en.wikipedia.org/wiki/Weck_jar

   The glass jars come in a variety of shapes and sizes, have rubber seals, glass lids, and stainless steel clips. Food is processed in Weck jars using the water bath canning technique, not a pressure canner. During the canning process the lids are secured by the clips which must be removed once the processing is complete and the jars have cooled.

7. How the 173-year-old glassmaker behind Edison’s light bulb ...

   www.aol.com/finance/173-old-glass-maker-behind...

   A photo of the original purchase order from Thomas Edison to Corning for the glass encasement for Edison’s lightbulb in 1880. CEO Wendell Weeks keeps the purchase order framed in his office as a ...

8. Sneath Glass Company - Wikipedia

   en.wikipedia.org/wiki/Sneath_Glass_Company

   The Sneath S Mark. Sneath Glass Company mark on spice jar. Originally, glassware made by the Sneath Glass Company could easily be identified by an "S" on the bottom of the product, such as on the spice jar shown in the adjacent photograph. Eventually, the "S" mark was discontinued. The "S" was eliminated to save mold–cleaning time.

9. Home canning - Wikipedia

   en.wikipedia.org/wiki/Home_canning

   Preserved food in Mason jars. Home canning or bottling, also known colloquially as putting up or processing, is the process of preserving foods, in particular, fruits, vegetables, and meats, by packing them into glass jars and then heating the jars to create a vacuum seal and kill the organisms that would create spoilage.