A smelting-furnace for the working of metals

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• METALS AND MINING — In the Bible Six metals are mentioned in the Bible and in many passages they are listed in the same order: gold, silver, copper, iron, tin, and lead. Antimony is also mentioned. The metals are referred to in various contexts, including methods of …   Encyclopedia of Judaism

• Smelting — For other uses, see Smelt (disambiguation). Electric phosphate smelting furnace in a TVA chemical plant (1942) Smelting is a form of extractive metallurgy; its main use is to produce a metal from its ore. This includes iron extraction from …   Wikipedia

• Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …   Wikipedia

• Blast furnace — A blast furnace is a type of metallurgical furnace used for smelting to produce metals, generally iron. In a blast furnace, fuel and ore are continuously supplied through the top of the furnace, while air (sometimes with oxygen enrichment) is… …   Wikipedia

• work, history of the organization of — Introduction       history of the methods by which society structures the activities and labour necessary to its survival. work is essential in providing the basic physical needs of food, clothing, and shelter. But work involves more than the use …   Universalium

• Industrial history of the People's Republic of China — Main articles: Economy and economic history of the People s Republic of China. China s industrial sector has shown great progress since 1949, but in the late 1980s it remained undeveloped in many respects. Although the country manufactured… …   Wikipedia

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …   Universalium

• Metallurgy — Georg Agricola, author of De re metallica, an important early book on metal extraction Metallurgy is a domain of materials science that studies the physical and chemical behavior of metallic elements, their intermetallic compounds, and their… …   Wikipedia

• Brass — For other uses, see Brass (disambiguation). Brass die, along with zinc and copper samples. Brass is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties.[1] In …   Wikipedia

• Blacksmith — For other uses, see Blacksmith (disambiguation). Blacksmith A blacksmith at work Occupation …   Wikipedia