A descriptive and historical account of hydraulic and other machines for raising water (1842)
Ewbank, Thomas · Tilt & Bogue · leaf 366
B the air vessel , of a globular form , made of copper . b b delivery pipes , to which the pressure hose is attached : when only one jet is re - quired , the opposite pipe may be closed by a screw cap , as usual . The piston or bücket of the force pump to be provided with double leather packirig :…
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