(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…
(Encyclopedia) mechanized warfare, employment of modern mobile attack and defense tactics that depend upon machines, more particularly upon vehicles powered by gasoline and diesel engines. Central to…
(Encyclopedia) compressor, machine that decreases the volume of air or other gas by the application of pressure. Compressor types range from the simple hand pump and the piston-equipped compressor…
(Encyclopedia) MilwaukeeMilwaukeemĭlwŏkˈē [key], city (1990 pop. 628,088), seat of Milwaukee co., SE Wis., at the point where the Milwaukee, Menominee, and Kinnickinnic rivers enter Lake Michigan;…
(Encyclopedia)
CE5
Steam engine
steam engine, machine for converting heat energy into mechanical energy using steam as a medium, or working fluid. When water is converted into steam it expands,…
(Encyclopedia) gasoline or petrol, light, volatile mixture of hydrocarbons for use in the internal-combustion engine and as an organic solvent, obtained primarily by fractional distillation and “…
(Encyclopedia) fire fighting, the use of strategy, personnel, and apparatus to extinguish, to confine, or to escape from fire.
Ancient Rome is known to have had a fire department consisting by the…
(Encyclopedia)
CE5
Automobile chassis
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Two views of a six-cylinder automobile engine
automobile, self-propelled vehicle used for travel on land. The term is commonly applied to a four-…
(Encyclopedia) RigaRigarēˈgə [key], city (2011 provisional pop. 657,424), capital of Latvia, on the Daugava (Western Dvina) River near its entry into the Gulf of Riga. A major Baltic port, it is also…
(Encyclopedia) transportation, conveyance of goods and people over land, across water, and through the air. See also commerce.
The first practical attempts at air transportation began with the…
