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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]
Additional ingredients may be added to color the glass. For example, an oxide of cobalt is used to make glass blue. [3] Broken and scrap glass, known as cullet, is often used as an ingredient to make new glass. The cullet melts faster than the other ingredients, which results in some savings in fuel cost for the furnace. Cullet typically ...
John Garstang on site at Beni Hassan, from the glass plate negative collection at the Garstang Museum of Archaeology. John Garstang's theodolite, Hunterian Museum , Glasgow John Garstang (5 May 1876 – 12 September 1956) was a British archaeologist of the Ancient Near East , especially Egypt , Sudan , Anatolia and the southern Levant .
The National Glass Company controlled 19 glass companies, which meant it controlled about 75 percent of the glass tableware market in the United States. [106] The American Window Glass Company trust was created in 1898, and it had over half of the nation's window glassmaking capacity in part because it consisted of many of the large works that ...
Mechanical pressing of glass reduced the time and labor necessary to make glass products, which lowered costs and made glass products available to more of the public. [32] An 1884 U.S. government report considered mechanical pressing and a new formula for glass to be the two great advances in American glassmaking during the 19th century. [ 25 ]
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Dustav Dentzel started a company that made the parts. Art Nouveau is known for his cameo glass. He used the acid-cutting method to create his pieces. [1] Ancient glassworkers would make vessels, vases, and eating utensils. The glass was decorated by adding molten colored glass drips to the final product. Glassblowing was introduced to shape the ...