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smelting shaft

См. также в других словарях:

  • Tunnel shaft — Tunnel Tun nel, n. [F. tonnelle a semicircular, wagon headed vault, a tunnel net, an arbor, OF. also tonnel; dim. of tonne a tun; so named from its resemblance to a tun in shape. See {Ton}.] 1. A vessel with a broad mouth at one end, a pipe or… …   The Collaborative International Dictionary of English

  • 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

  • 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 — 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

  • Derbyshire lead mining history — Goodluck Mine in Via Gellia. This article details some of the history of lead mining in Derbyshire, England. Contents 1 …   Wikipedia

  • iron processing — Introduction       use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting.       Iron (Fe) is a… …   Universalium

  • lead processing — Introduction       preparation of the ore for use in various products.       Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …   Universalium

  • mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

  • History of coal mining — Due to its abundance, coal has been mined in various parts of the world throughout history and continues to be an important economic activity today. Compared to wood fuels, coal yields a higher amount of energy per mass and could be obtained in… …   Wikipedia

  • Tower Hill State Park — Geobox|Protected area name = Tower Hill State Park category = Wisconsin State Park category iucn = V image caption = country = United States country state = Wisconsin state state type = State region type = County region = Iowa city type = City… …   Wikipedia

  • Desloge Consolidated Lead Company — is a historically significant Missouri lead mining company owned by a great industrialist baron family of the 19th and 20th centuries in the new American Frontier starting just after the Louisiana Purchase, in the Southeast Missouri Lead District …   Wikipedia

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