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Air Pump
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Description: "The piston rods are furnished with racks, or teeth, and are worked by the toothed wheel a, which is turned backwards and forwards, by the lever and handle b. The exhaustion pipe c, leads to the plate on which the receiver stants. The valves v, n, u, and m, all open upwards." —Comstock, 1850
Source: J. L. Comstock A System of Natural Philosophy: Principles of Mechanics (: Pratt, Woodford, and Company, 1850) 143
Keywords: Air, Pump, Engine, Vessel, Plate, Aperture, Toothed, Piston, Rod, Rack, Wheel, Exhaustion,
Copyright: 2009, Florida Center for Instructional Technology. See license.
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