Columbia Encyclopedia

Search results

177 results found

Watt, James

(Encyclopedia)Watt, James, 1736–1819, Scottish inventor. While working at the Univ. of Glasgow as an instrument maker, Watt was asked to repair a model of Thomas Newcomen's steam engine. He devised improvements t...

Newcomen, Thomas

(Encyclopedia)Newcomen, Thomas nyo͞oˈkəmən, nyo͞okŭmˈən [key], 1663–1729, English inventor of an early atmospheric steam engine (c.1711). It was an improvement over an earlier engine patented (1698) by Th...

snorkel

(Encyclopedia)snorkel, tube through which a submarine or diver can draw air while underwater. When in use, the top of the snorkel tube extends above the water surface into the air. The first snorkels were probably ...

transmission

(Encyclopedia)transmission, in automobiles, system of parts connecting the engine to the wheels. Suitable torque, or turning force, is generated by the engine only within a narrow range of engine speeds, i.e., rate...

ship

(Encyclopedia)ship, large craft in which persons and goods may be conveyed on water. In the U.S. Navy the term boat refers to any vessel that is small enough to be hoisted aboard a ship, and ship is used for any la...

muffler

(Encyclopedia)muffler, in automobiles, device designed to reduce the noise from the exhaust of an internal-combustion engine. When the exhaust gases from an internal-combustion engine are released directly into the...

snowmobile

(Encyclopedia)snowmobile, vehicle designed to travel over snow, ice, and similar surfaces that offer limited traction and weight-supporting capability. As the performance of the vehicle depends to a large extent on...

Ashton-under-Lyne

(Encyclopedia)Ashton-under-Lyne, town, Tameside metropolitan district, NW England, in the Greater Manchester metropolitan area on the Tame River. Its industries include engineering, leather, plastics, t...

Staines

(Encyclopedia)Staines, city (1991 pop. 12,886), Surrey, SE England, on the Thames River. On the edge of Greater London, Staines is residential. There is some industry, such as the manufacture of diesel engines. Spe...

Whittle, Sir Frank

(Encyclopedia)Whittle, Sir Frank, 1907–96, English aeronautical engineer. Whittle was one of the first persons to associate the gas turbine with jet propulsion. Previously the gas turbine had been regarded as a m...