Columbia Encyclopedia

Search results

177 results found

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...

Caus, Salomon de

(Encyclopedia)Caus or Caux, Salomon de both: sälōmôNˈ də kō [key] 1576–1626, French engineer and physicist, educated in England. From 1614 to 1620 he was engineer to the Elector Palatine, Frederick, at Heid...

Gramme, Zénobe-Théophile

(Encyclopedia)Gramme, Zénobe-Théophile zānôbˈ tāôfēlˈ gräm [key], 1826–1901, Belgian electrical engineer. While working as a model maker for a Parisian manufacturer of electrical devices, Gramme became ...

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...

Rostock

(Encyclopedia)Rostock –värˌnəmünˈdə [key], city (1994 pop. 237,307), Mecklenburg–West Pomerania, NE Germany, on the Baltic Sea. It is an industrial center and a major seaport, with petroleum tank installa...

Khabarovsk

(Encyclopedia)Khabarovsk khəbäˈrəfsk, khəbərôfskˈ [key], city (1989 pop. 601,000), capital of Khabarovsk Territory and the administrative center of the Far Eastern federal district, Russian Far East, on the...

streetcar

(Encyclopedia)streetcar, small, self-propelled railroad car, similar to the type used in rapid-transit systems, that operates on tracks running through city streets and is used to carry passengers. Most often cars ...

Trevithick, Richard

(Encyclopedia)Trevithick, Richard trĕvˈĭthĭk [key], 1771–1833, British engineer and inventor, b. Cornwall. He is known as the father of locomotive power because of his invention (1800) of the high-pressure st...

gunboat

(Encyclopedia)gunboat, small warship for use on rivers and along coasts in places inaccessible to vessels of larger displacement. In the U.S. Civil War both sides used as gunboats, on the Mississippi and other rive...

feedback

(Encyclopedia)CE5 Basic feedback control system feedback, arrangement for the automatic self-regulation of an electrical, mechanical, or biological system by returning part of its output as input. A simple exam...