cast-iron mold
51Rodman gun — refers to a series of American Civil War era columbiads designed by Union artilleryman Thomas Jackson Rodman [ [http://www.cwartillery.org/afammen.html Thomas Jackson Rodman] , Confederate Artillerymen, The Civil War Artillery Page. Retrieved 12… …
52military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …
53technology, 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… …
54Foundry — A foundry is a factory which produces metal castings from either ferrous or non ferrous alloys. Metals are turned into parts by melting the metal into a liquid, pouring the metal in a mold, and then removing the mold material or casting. The most …
55Carbon-fiber-reinforced polymer — For fibers of carbon, see carbon (fiber). Tail of an RC helicopter, made of CFRP Carbon fiber reinforced polymer or carbon fiber reinforced plastic (CFRP or CRP or often simply carbon fiber), is a very strong and light fiber reinforced polymer… …
56Linotype machine — The Linotype machine (pronounced Line O Type [IPA| laɪnəˌtaɪp] ) is a line casting machine used in printing. The Linotype machine operator enters text on a 90 character keyboard. The machine assembles matrices , which are molds for the letter… …
57architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
58Casting defect — A casting defect is an irregularity in the metal casting process that is undesired. Some defects can be tolerated while others can be repaired otherwise they must be eliminated. They are broken down into five main categories: gas porosity,… …
59Cupola furnace — A cupola furnace in operation at Wayne State University, in Detroit, Michigan A Cupola or Cupola furnace is a melting device used in foundries that can be used to melt cast iron, ni resist iron and some bronzes. The cupola can be made almost any… …
60materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
