annealing bell furnace

  • 1steel — 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

  • 2metallurgy — 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

  • 3iron 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

  • 4technology, 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

  • 5metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… …

    Universalium

  • 6Acetylene — HCCH redirects here. For other uses, see HCCH (disambiguation). Acetylene …

    Wikipedia

  • 7Fire-tube boiler — A fire tube boiler is a type of boiler in which hot gases from the fire pass through one or more tubes within the boiler. It is one of the two major types of boilers, the other being the water tube boiler. A fire tube boiler can be either… …

    Wikipedia

  • 8Metallurgy during the Copper Age in Europe — The Copper Age, also called the Eneolithic or the Chalcolithic Age, has been traditionally understood as a transitional period between the Neolithic and the Bronze Age, in which a gradual introduction of the metal (native copper) took place,… …

    Wikipedia

  • 9Four a cloche — Four à cloche Le four à cloche est un four constitué d une table et d une cloche, tous deux en matériau réfractaire. La cloche, ornée de résistances électriques sur sa face intérieure est amovible à l aide d un palan, ce qui a pour avantage d y… …

    Wikipédia en Français

  • 10Four À Cloche — Le four à cloche est un four constitué d une table et d une cloche, tous deux en matériau réfractaire. La cloche, ornée de résistances électriques sur sa face intérieure est amovible à l aide d un palan, ce qui a pour avantage d y conserver une… …

    Wikipédia en Français