Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 167
Fig. 144. H)8 Pumps a>i(i hydraulics. … Fig. 145. Hydraulic Apparatus. 169 THE HYDRAULIC PRESS. The hydraulic press consists of1. A Lever, 2. A Pump, 3. and a Ram working in a4. Cylinder. Bramah in the year 1796 brought out a very interestingapparatus which illustrates the law of the equality of pressurewhich has been widely adopted in…
Hydraulic machinery · Pumping machinery
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