A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 399
oad has fourdriving-wheels, 5^ feet diameter; steam-cylinders, 17 inchesdiameter and 2 feet stroke ; grate-surface 15|- square feet,and heating-surface 1,058 square feet. It weighs 63,100pounds, of which 39,000 pounds are on the drivers and24,100 on the truck. The freight-engine has six driving-… … pounds, of which 48,000 are on the drivers and 20,500 onthe truck. The former takes a train of five cars up anaverage grade of 90 feet to the nule. The latter is attached PORTABLE AND LOCOMOTIVE ENGINES. 375 to a train of 11 cars. On a grade of 50 feet to the mile,the former takes 7 and the latter…
Steam-engines
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