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- Smelting - Encyclopedia. com
Smelting is the process of separating the metal from impurities by heating the concentrate to a high temperature to cause the metal to melt Smelting the concentrate produces a metal or a high-grade metallic mixture along with a solid waste product called slag
- Metallurgy through the Ages - Encyclopedia. com
Metallurgy through the Ages Overview Over a period of thousands of years, humans learned to identify, extract, blend, and shape metals into tools, ornaments, and weapons The ability of metals to alter the wealth, power, and culture of societies is so profound that the Bronze Age and the Iron Age label distinct eras in human development Metallurgy makes the current Information Age possible
- Daniel Guggenheim - Encyclopedia. com
Guggenheim, Daniel (1856-1930) American Smelting and Refining Company Overview Daniel Guggenheim was one of America's most powerful business leaders as well as one of the richest men in the world His fame and fortune stemmed from the key role he played in exploiting the earth's mineral resources and making them available almost exclusively to the United States Although he subscribed to a
- Lead Industry - Encyclopedia. com
LEAD INDUSTRYLEAD INDUSTRY first became commercially important to the United States in 1750 when sustained lead mining and smelting began in Dutchess County, New York, and at what later became known as the Austinville mine in Virginia Source for information on Lead Industry: Dictionary of American History dictionary
- Abraham Darby - Encyclopedia. com
Abraham Darby Abraham Darby (1677-1717) developed the coke burning blast furnace that made it possible to produce commercial grade iron cost-effectively His work helped launch the Industrial Revolution and contributed to the development of the iron and steel industries Abraham Darby was born near Dudley, Worcestershire, England in 1677 The young Darby, son of a tenant farmer, was
- La Oroya | Encyclopedia. com
La OroyaLa Oroya, town and mineral smelting center in the central highlands of Peru (1990 population 33,594) At 12,200 feet, La Oroya stands at the crossroads of the central railway and highway systems connecting the mining center of Cerro de Pasco and the commercial city of Huancayo with the country's capital, Lima The railway reached La Oroya in 1893 and a year later the Cerro De Pasco
- Smelters - Encyclopedia. com
SMELTERS Smelting is a method of separating gold, silver, and other metals from their ores with fire and heat intense enough to melt the ores A Spanish law of 22 August 1584 required a government smelter to be established in every mining district in the New World and required all miners to bring their gold and lead-silver to a government furnace
- Iron Mining and Metallurgy - Encyclopedia. com
Interest in locating deposits of iron, extracting the ore, smelting it, and refining it was evident in the earliest permanent settlements Source for information on Iron Mining and Metallurgy: Encyclopedia of the New American Nation dictionary
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