charcoal hearth process

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• Hearth — with cooking utensils In common historic and modern usage, a hearth (  / …   Wikipedia

• bloomery process — Process for iron smelting. In ancient times, smelting involved creating a bed of red hot charcoal in a furnace to which iron ore mixed with more charcoal was added. The ore was chemically reduced (see oxidation reduction), but, because primitive… …   Universalium

• Osmond process — Osmond iron (also spelt osmund and also called osborn) was wrought iron made by a particular process. This is associated with the first European production of cast iron in furnaces such as Lapphyttan in Sweden.[1] Osmonds appear in some of the… …   Wikipedia

• Bessemer process — The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron. The process is named after its inventor, Henry Bessemer, who took out a patent on the process in 1855. The process was… …   Wikipedia

• finery process — Early method of converting cast iron to wrought iron, superseding the bloomery process after blast furnaces became widespread. Pieces of cast iron (see pig iron) were placed on a finery hearth, on which charcoal was being burned with a plentiful… …   Universalium

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• Puddling (metallurgy) — Puddling was an Industrial Revolution means of making iron and steel. In the original puddling technique, molten iron in a reverberatory furnace was stirred with rods, which were consumed in the process. Later, it was also used to produce a good… …   Wikipedia

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium

• wrought iron — wrought iron, adj. a form of iron, almost entirely free of carbon and having a fibrous structure including a uniformly distributed slag content, that is readily forged and welded. [1670 80] * * * One of the two forms in which iron is obtained by… …   Universalium

• William Kelly (inventor) — William Kelly (August 22, 1811 February 11, 1888), born in Pittsburgh, Pennsylvania, was an American inventor. Kelly studied metallurgy at the Western University of Pennsylvania. Instead of getting a job as a scientist, Kelly, his brother, and… …   Wikipedia

• Nationality Rooms — Coordinates: 40°26′40″N 79°57′12″W / 40.444426°N 79.953423°W / 40.444426; 79.953423 …   Wikipedia