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Uranium glass used as lead-in seals in a vacuum capacitor Uranium glassware glowing under ultraviolet light. Uranium glass is glass which has had uranium, usually in oxide diuranate form, added to a glass mix before melting for colouration. The proportion usually varies from trace levels to about 2% uranium by weight, although some 20th-century ...
Uranium Two tall, glowing green glass vases with floral patterns are displayed side by side. Each vase has a slightly flared top and gold trim. A small coin at the base provides scale.
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
Like many uranium glass collectors, they are especially drawn to pearline, which was created by several companies, mostly in Britain.
The second mark, which is the more commonly known by collectors and dealers, is the intertwined W and G that Westmoreland began to use in 1946 on most of the glassware. [8] In 1981, David Grossman bought the factory from the Brainard family and changed the mark. The new mark was the word Westmoreland in a circle around three lines. [8]
According to The Glass Museum, the glow-in-the dark glassware is believed to have been invented by glassmaker Josef Riedel, who used uranium to color glassware in his factory in Bohemia in the mid ...
Depression glass is glassware made in the period 1929–1939, often clear or colored translucent machine-made glassware that was distributed free, or at low cost, in the United States and Canada around the time of the Great Depression. Depression glass is so called because collectors generally associate mass-produced glassware in pink, yellow ...
The glass product must then be cooled gradually , or it will break. [5] An oven used for annealing is called a lehr. [6] Because most glass plants melted their ingredients in a pot during the 1880s, a plant's number of pots was often used to describe capacity. [7] A major expense for glass factories is fuel for the furnace. [8]