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Cut glass wine glass made of lead glass. Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical potash glass. [1] Lead glass contains typically 18–40% (by mass) lead(II) oxide (PbO), while modern lead crystal, historically also known as flint glass due to the original silica source, contains a minimum of 24% PbO. [2]
Lead (/ l ɛ d /) is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cut, lead is a shiny gray with a hint of blue. It tarnishes to a dull gray color when exposed to ...
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. [2] Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, numbness and tingling in the hands and feet. [1]
Stiegel's glass works in the Province of Pennsylvania was the first in America to make fine lead crystal, which is often mislabeled as flint glass. [64] Amelung invested more money in glassmaking than anyone ever had and produced impressive quality glass with engraving—although his Maryland glass works failed after 11 years. [65]
During 1769, he started a third glass works in the same town that focused on quality tableware, and employed more men that had worked at the Wistar glass plant. [48] He called this works the American Flint Glass Manufactory. [49] Stiegel's works was the first to make lead glass in America. [50]
Lead (Pb) 82 lead: Anglo-Saxon · Symbol Pb is from the Latin name plumbum, still visible in the English plumbing. [3] [56] Bismuth (Bi) 83 bisemutum: Neo-Latin from German "white mass" descriptive (colour) bisemutum is derived from German Wismuth, perhaps from weiße Masse, and means "white mass", due to its appearance. Polonium (Po) 84 ...
Such use was so common that the word "plumbing" derives from plumbum, the Latin word for lead. This was a source of lead-related health problems in the years before the health hazards of ingesting lead were fully understood; among these were stillbirths and high rates of infant mortality. Lead water pipes were still widely used in the early ...
Entrance to the Half Price Books Northwest Highway, the corporate headquarters, on E. Northwest Highway in Dallas, Texas Half Price Books in Berkeley, California. Founders Ken Gjemre (1921-2002) and Pat Anderson opened the first store in 1972 in a former laundromat in Dallas, Texas, filling the shelves with 2,000 books out of their personal libraries. [5]