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Farnsworth, Philo Taylor
(Encyclopedia)Farnsworth, Philo Taylor, 1906–71, American inventor, b. Beaver, Utah, grad. Brigham Young Univ., 1925. He demonstrated (1927) a working model of a television system. His “dissector tube” (calle...gun
(Encyclopedia)gun, in general, any weapon that discharges shot, shells, or bullets by the explosion of gunpowder or some other explosive from a straight tube. See firearm; artillery; small arms. ...Moffat Tunnel
(Encyclopedia)Moffat Tunnel mŏfˈət [key], railroad tube, 24 ft (7.3 m) high, 18 ft (5.5 m) wide, and 6.4 mi (10.3 km) long, N central Colo., in the Continental Divide, NW of Denver. One of the country's longest ...blowgun
(Encyclopedia)blowgun, hollow tube from which a dart or an arrow is blown by a person's breath. The arrow was usually tipped with a poison, such as curare, which would stun or kill the struck prey. Blowguns were wi...pressure
(Encyclopedia)pressure, in mechanics, ratio of the force acting on a surface to the area of the surface; it is thus distinct from the total force acting on a surface. A force can be applied to and sustained by a si...alphorn
(Encyclopedia)alphorn or alpenhorn [Ger.,=Alps horn], wooden horn from 3 ft to 12 ft (91 cm–3.7 m) long, sometimes curved slightly, with conical bore and a cup-shaped mouthpiece. It produces only the natural harm...Fleming, Sir John Ambrose
(Encyclopedia)Fleming, Sir John Ambrose, 1849–1945, English electrical engineer. He was a leader in the development of electric lighting, the telephone, and wireless telegraphy in England and the inventor of a th...boiler
(Encyclopedia)boiler, device for generating steam. It consists of two principal parts: the furnace, which provides heat, usually by burning a fuel, and the boiler proper, a device in which the heat changes water in...siphon
(Encyclopedia)siphon sīˈfən, –fŏn [key], tube or other enclosed conduit through which a liquid is lifted over an elevation and then emptied at a lower level. The movement of the liquid is driven primarily by ...Eustachi, Bartolomeo
(Encyclopedia)Eustachi, Bartolomeo bärˌtōlōmĕˈō āˌo͞ostäˈkē [key], d. 1574, Italian anatomist. He lived in Rome from 1549 and taught at the Collegia della Sapienza (later the Univ. of Rome). He describ...Browse by Subject
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