Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 270
tors and proportionate pumps forwater, gas, air, etc., afford an endless field for the exercise ofengineering skill. Electric Pumps. 271 ELECTRIC MOTOR AND AIR PUMP. Fig. 240 is intended to show the application of the electricmotor to a triplex pump of small size, the plungers being 3^inches in… … Fig 240. The high speed of the motor is reduced by two belt pulleysand two chain wheels. These pumps may be worked in-dependently to produce pressure or vacuum as desired by aseparate pipe for each pump. 272 Pumps and Hydraulics. MOTOR AND CENTRIFUGAL PUMP. Fig. 241 is intended to show the…
Hydraulic machinery · Pumping machinery
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