Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 147
The invention ot pressure engines brought to light a ;/rz£/mode of employmg water as a motive agent: and also themeans of appiymg it in locations where it could not otherwisebe used , with pressure engines the motive agent may betakento the machine itself. In valleys or lowlands, having nonatural… … ^ Hyaraunc Motors. 149 to propel others ; unlike the steam engine, a pressure engineis inexpensive, and simple in construction—it requires neitherchimneys, furnaces nor fuel ; neither firemen nor engineers, noris there any danger of explosions. It may be placed in thecorner of a room, or be…
Hydraulic machinery · Pumping machinery
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