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rocket, in aeronautics

(Encyclopedia)CE5 Relative positions of the components of the Saturn V rocket, the U.S. space vehicle used in the moon missions rocket, any vehicle propelled by ejection of the gases produced by combustion of s...

Douglas, cities, United States

(Encyclopedia)Douglas. 1 City (2020 pop. 16,534), Cochise co., SE Ariz., at the Mexican border; inc. 1905. The mining and smelting of copper have been ...

Oberhausen

(Encyclopedia)Oberhausen ōˈbərhouˌzən [key], city (1994 pop. 226,254), North Rhine–Westphalia, W Germany, a former industrial center of the Ruhr district. It is a port on the Rhine-Herne Canal and a rail jun...

bus

(Encyclopedia)bus [Lat. omnibus=for all], large public conveyance. A horse-drawn urban omnibus was introduced in Paris in 1662 by Blaise Pascal and his associates, but it remained in operation for only a few years....

Papin, Denis

(Encyclopedia)Papin, Denis dənēˈ päpăNˈ [key], 1647–1712?, French physicist and inventor. He was an assistant of Christian Huygens and of Robert Boyle and was professor of mathematics at the Univ. of Marbur...

Waterloo, city, United States

(Encyclopedia)Waterloo, city (1990 pop. 66,467), seat of Black Hawk co., NE Iowa, on the Cedar River; inc. 1868. Originally a center for sawmills and flour mills, Waterloo is a trade and industrial center in a farm...

Thomasville

(Encyclopedia)Thomasville. 1 City (1990 pop. 17,457), seat of Thomas co., SW Ga., near the Fla. line; inc. 1831. It is a farm trade center, with a large fresh-vegetable market. Manufactures include lumber, clothing...

Mount Vernon, cities, United States

(Encyclopedia)Mount Vernon. 1 City (1990 pop. 16,988), seat of Jefferson co., SE Ill.; settled 1819, inc. 1872. It is a trade, rail, and industrial center in a farm and coal region. Tools, tires, transformers, coal...

torpedo boat

(Encyclopedia)torpedo boat, small fast warship built specially for using the torpedo as a means of attack. The first modern torpedo boat was the Lightning, built for the British navy in 1877 by the shipyards of Sir...

Peterborough, city, England

(Encyclopedia)Peterborough, city and unitary authority (1991 pop. 155,050), E central England, on the Nene River. Designated as a new town in 1968, Peterborough is an engineering and rail hub and a farm trade cente...