(Encyclopedia) StavropolStavropolstäˈvrəpəl [key], city (1989 pop. 318,000), capital of Stavropol Territory, S European Russia, on the Stavropol Plateau. It has machine-tool, wool, leather, grain…
(Encyclopedia) boring mill, machine tool used to increase the size of a hole previously made in a workpiece, usually with the purpose of obtaining a required degree of finish and accuracy in the…
(Encyclopedia) Carlson, Chester Floyd, 1906–68, American inventor; b. Seattle, Wash. A patent lawyer, he invented (1938) xerography, a method of electrostatic printing. For the next two decades he…
(Encyclopedia) reaper, early farm machine drawn by draft animals or tractor and used to harvest grain. Its historical predecessors were the sickle and the cradle scythe, which are still used in some…
(Encyclopedia) screw, simple machine consisting essentially of a solid cylinder, usually of metal, around which an inclined plane winds spirally, either clockwise or counterclockwise. It is used to…
(Encyclopedia)
CE5
Shoe brake
CE5
Disk brake
brake, in technology, device to slow or stop the motion of a mechanism or vehicle.
The vacuum brake system, or vacuum brake, depends upon the use…
U.S. Army soldierBorn: 12/17/1919Birthplace: Cheyenne, Wyo.Died: 7/13/2010 (St. Maries, Idaho) When Vernon Baker was 4 years old, his parents were killed in an…
HUOT, Joseph Oliva, a Representative from New Hampshire; born in Laconia, Belknap County, N.H., August 11, 1917; educated at Sacred Heart Parochial School and Laconia High School; supervisor…
HANBURY, Harry Alfred, a Representative from New York; born in Bristol, England, January 1, 1863; immigrated to the United States with his parents at an early age; attended the public schools…
(Encyclopedia) small arms, firearms designed primarily to be carried and fired by one person and, generally, held in the hands, as distinguished from heavy arms, or artillery.
Automatic small…
