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Bridgman, Laura
(Encyclopedia)Bridgman, Laura, 1829–89, the first blind and deaf person to be successfully educated, b. Hanover, N.H. Under the guidance of Dr. S. G. Howe, of the Perkins School for the Blind, she learned to read...Remington, Eliphalet
(Encyclopedia)Remington, Eliphalet ĭlĭfˈəlĭt [key], 1793–1861, American inventor, gunsmith, and arms manufacturer, b. Suffield, Conn. Trained in blacksmithing, he turned to gunsmithing at an early age. With ...mechanical advantage
(Encyclopedia)mechanical advantage: see machine. ...Savery, Thomas
(Encyclopedia)Savery, Thomas, c.1650–1715, English engineer. He became a military engineer, rising to the rank of captain by 1702. He spent his free time performing experiments in mechanics, inventing such device...Cartwright, Edmund
(Encyclopedia)Cartwright, Edmund, 1743–1823, English inventor and clergyman. He was the inventor of an imperfect power loom that, when finally patented (1785), became the parent of the modern loom. It was the fir...needlework
(Encyclopedia)needlework, work done with a needle, either plain sewing, mending, or ornamental work such as embroidery, quilting, smocking, hemstitching, fagoting, some kinds of lace making (see lace), patchwork, a...basketry
(Encyclopedia)basketry, art of weaving or coiling and sewing flexible materials to form vessels or other commodities. The materials used include twigs, roots, strips of hide, splints, osier willows, bamboo splits, ...perpetual-motion machine
(Encyclopedia)perpetual-motion machine, device that would be able to operate continuously and supply useful work, in violation of the laws of thermodynamics. A machine that would produce more energy in the form of ...grinding
(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 grinding wheel can be...efficiency
(Encyclopedia)efficiency. 1 In business and industry, see industrial management; productivity. 2 In physics, seemachine; work. ...Browse by Subject
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