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  2. Bar stock - Wikipedia

    en.wikipedia.org/wiki/Bar_stock

    Storage area containing assorted bar stock. Bar stock, also (colloquially) known as blank, slug or billet, [1] is a common form of raw purified metal, used by industry to manufacture metal parts and products. Bar stock is available in a variety of extrusion shapes and lengths. The most common shapes are round (circular cross-section ...

  3. Gorham Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Gorham_Manufacturing_Company

    Gorham Silver was founded in 1831 in Providence, Rhode Island by Jabez Gorham, [3] a master craftsman, in partnership with Henry L. Webster. [4] The firm's chief product was spoons of coin silver. The company also made thimbles, combs, jewelry, and other small items.

  4. Repoussé and chasing - Wikipedia

    en.wikipedia.org/wiki/Repoussé_and_chasing

    They usually have a beveled rear end, to better handle the hammer blows. They can be purchased and used as such, modified by the user to suit the needs of a specific work, or made by the user from bar stock. [11] To make or reform the punches, one needs a saw or other cutting device, as well as a grinder and abrasives to shape and polish the tip.

  5. Brass - Wikipedia

    en.wikipedia.org/wiki/Brass

    Islamic Golden Age brass astrolabe Brass lectern with an eagle. Attributed to Aert van Tricht, Limburg (Netherlands), c. 1500.. Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic and chemical properties, [1] but copper typically has the larger proportion, generally 2 ⁄ 3 copper and 1 ⁄ 3 zinc.

  6. Rolling (metalworking) - Wikipedia

    en.wikipedia.org/wiki/Rolling_(metalworking)

    Rolling schematic view Rolling visualization. In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property.

  7. Revere Copper Company - Wikipedia

    en.wikipedia.org/wiki/Revere_Copper_Company

    The Detroit plant, in collaboration with DuPont, was commissioned to assist the United States Mint in the production of a new copper and copper-nickel composite coin to replace silver coins in 1964. The Detroit plant was responsible for the hot rolling process of the coinage metal, according to a June 3, 2013 article in Coin World News .

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