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Damascus steel. Close-up of a 13th-century Persian-forged Damascus steel sword. Damascus steel ( Arabic: فولاذ دمشقي) is the forged steel of the blades of swords smithed in the Near East from ingots of carbon steel imported from Southern India or made in production centers in Sri Lanka. [ 1] or Khorasan, Iran. [ 2]
The characteristic feature of a Morris chair is a hinged back, set between two un-upholstered arms, with the reclining angle adjusted through a row of pegs, holes or notches in each arm. In other instances, the reclining of the back is controlled by a metal bar set in hooked back racks. The original Morris chair had dark stained woodwork ...
Flitch beam. A flitch beam (or flitched beam) is a compound beam used in the construction of houses, decks, and other primarily wood-frame structures. Typically, the flitch beam is made up of a vertical steel plate sandwiched between two wood beams, the three layers being held together with bolts. In that common form it is sometimes referenced ...
Wootz steel is a crucible steel characterized by a pattern of bands and high carbon content. These bands are formed by sheets of microscopic carbides within a tempered martensite or pearlite matrix in higher- carbon steel, or by ferrite and pearlite banding in lower-carbon steels. It was a pioneering steel alloy developed in southern India in ...
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Short visual history of furniture styles (from left to right): cloisonné plaque (), Chair of Reniseneb (Ancient Egyptian), metal brazier with satyrs from Pompei (Greco-Roman), fall-front cabinet inlaid with ivory (), low-back armchair (), casket with images of Cupids (), wood and ivory furniture fragment (), chest (), analogion (Romanian Medieval), sideboard with two bodies (Renaissance ...
Wood's metal. Wood's metal. Wood's metal, also known as Lipowitz's alloy or by the commercial names Cerrobend, Bendalloy, Pewtalloy and MCP 158, is a metal alloy that is useful for soldering and making custom metal parts, but its fumes are toxic, as well as being toxic on skin exposure. The alloy is named for Barnabas Wood, who invented and ...
Steelmaking. Steelmaking is the process of producing steel from iron ore and/or scrap. In steelmaking, impurities such as nitrogen, silicon, phosphorus, sulfur, and excess carbon (the most important impurity) are removed from the sourced iron, and alloying elements such as manganese, nickel, chromium, carbon, and vanadium are added to produce ...