smelt-furnace
51Cupellation — is a metallurgical process in which ores or alloyed metals are treated under high temperatures and carefully controlled operations in order to separate noble metals, like gold and silver, from base metals like lead, copper, zinc, arsenic,… …
52Isaac Tyson — Isaac Tyson, Jr. (1792–1861) was a Quaker businessman from Baltimore, Maryland, who held a virtual monopoly on world supplies of chromium minerals during the mid 19th century.The son of Baltimore flour merchant Jesse Tyson and his wife Margaret,… …
53Cerro Gordo Mines — and Ghost Town. The Cerro Gordo Mines were a collection of mines located in the Inyo Mountains, in Inyo County, California. Mining operations were undertaken from 1866 until 1957, producing high grade silver, lead, and zinc ore. Some ore was… …
54Copper metallurgy in Africa — encompasses the study of copper production across the continent and an understanding of how it influenced aspects of African archaeology. Contents 1 Origins 2 Ore Sources 3 Mining and Processing …
55smelter — UK [ˈsmeltə(r)] / US [ˈsmeltər] noun [countable] Word forms smelter : singular smelter plural smelters a furnace used for heating rock to remove the metal that it contains, or a factory where this is done …
56Blacksmith — For other uses, see Blacksmith (disambiguation). Blacksmith A blacksmith at work Occupation …
57Technological and industrial history of the United States — The technological and industrial history of the United States describes the United States emergence as one of the largest nations in the world as well as the most technologically powerful nation in the world. The availability of land and labor,… …
58Metallum Martis — Metallum Martis, a 1665 book by Dud Dudley, is the earliest known reference to the use of coal in metallurgical smelting. The book is also referred to as Iron made with Pit Coale, Sea Coale, c. And with the same Fuell to Melt and Fine Imperfect… …
59Andrew Yarranton — (1619–1684) was an important English engineer in the 17th century who was responsible for making several rivers into navigable waterways.BiographyHe was born at Astley, just south of the town of Stourport on Severn in Worcestershire, and was from …
60Elkem Thamshavn — is a smelting plant owned by Elkem located at Thamshavn just north of Orkanger, Norway. The plant produces ferrosilicon and microsilica and was started in 1931. History Copper and Sulfur have been excavated in the Løkken Mines since 1654 that had …
