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Vasa Murrhina is a cased glass; the name means vessel of gems. This type of glass has a long history pre dating Fenton. Frank M. Fenton had glass chemist Charles Goe develop a way to make it since the way it was made was long forgotten. The piece starts out as a ball of glass that is rolled in small pieces of broken glass called frit.
Slag is usually a mixture of metal oxides and silicon dioxide. However, slags can contain metal sulfides and elemental metals. The major components of these slags include the oxides of calcium, magnesium, silicon, iron, and aluminium, with lesser amounts of manganese, phosphorus, and others depending on the specifics of the raw materials used.
Many of the pressed pieces appear to be cut glass on casual inspection, due to the high quality of the glass and the crispness of the molding. The majority of the pieces are impressed with the company logo, a raised capital letter "H" inscribed in a diamond of approximately 1 ⁄ 4 inch (6.4 mm) in length. This mark is found on the bottom of ...
Ground granulated blast-furnace slag ( GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder. Ground granulated blast furnace slag is a latent hydraulic binder forming calcium ...
The Westmoreland Glass Company is known for its production of high-quality milk glass, but also is known for its high-quality decorated glass. From the 1920s to the 1950s it was estimated that 90 percent of the production was milk glass. [ 1] Westmoreland produced carnival glass beginning in 1908 and reissued novelties and pattern glass in ...
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 pieces were made with up to 25% uranium. [ 1][ 2] First identified in 1789 by German chemist Martin Heinrich ...
Public glass waste collection point for different colors of containers. Glass recycling is the processing of waste glass into usable products. [ 1] Glass that is crushed or imploded and ready to be remelted is called cullet. [ 2] There are two types of cullet: internal and external. Internal cullet is composed of defective products detected and ...
August 16, 2024 at 4:05 PM. PROVIDENCE, R.I. (AP) — Rhode Island Gov. Dan McKee announced Friday that the state has filed a lawsuit against 13 companies that provided design, construction and ...
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