inventorBorn: 4/22/1789Birthplace: Carreghova, Montgomeryshire, Wales A mechanical genius, Roberts is best known for having improved upon or invented several machine tools, including one of the…
(Encyclopedia) grinding, process by which surface material is removed from an object, usually metal, by the abrasive action of a rotating wheel or a moving belt that contains abrasive grains. A…
(Encyclopedia) combing, process that follows carding in the preparation of fibers for spinning, lays the fibers parallel, and removes noils (short fibers). The modern combing machine is a specialized…
(Encyclopedia) Hyatt, John Wesley, 1837–1920, American inventor, b. Starkey, N.Y. He is known especially for his development of celluloid; with his brothers, he began its manufacture in 1872. He also…
(Encyclopedia) typewriter, instrument for producing by manual operation characters similar to those of printing. Corresponding to each key on the instrument's keyboard is a steel type. Activated…
TURBINESFIND OUT MOREMany modern machines, from motorbikes to jet aircraft, are powered by engines. An engine is a machine that turns fuel into movement. The fuel is burned to generate heat…
(Encyclopedia) Marly-le-RoiMarly-le-Roimärlēˈ-lə-rwä [key], town (1990 pop. 16,775), Yvelines dept., N France, on the Seine River near Versailles. Nearby is the hamlet of Marly-la-Machine, where in…
(Encyclopedia) Bramah, JosephBramah, Josephbrămˈə, bräˈ– [key], 1748–1814, English inventor. In 1784 he took out his first patent on a safety lock, and in 1795 he patented his hydraulic press, known…
restaurateurBorn: 10/5/1902Birthplace: Chicago, Ill. Having dabbled in everything from real estate to amublance driving, Kroc finally settled into a career of selling Mult-A-Mixers, machines…