A descriptive and historical account of hydraulic and other machines for raising water, ancient and modern : with observations on various subjects connected with the mechanic arts: including the progressive development of the steam engine . No. 138. Liriiiii; Pump from Agricola. No. 129. Modern Lifting Pump. The modern form of the lifting pump is represented in figure No. working cylinder being generally brass or copper, and having £.strong flanch at each end : the upper one is covered by a plate with astuffing box in the centre, through which the polished piston rod moves ;and the und
A descriptive and historical account of hydraulic and other machines for raising water, ancient and modern : with observations on various subjects connected with the mechanic arts: including the progressive development of the steam engine . No. 138. Liriiiii; Pump from Agricola. No. 129. Modern Lifting Pump. The modern form of the lifting pump is represented in figure No. working cylinder being generally brass or copper, and having £.strong flanch at each end : the upper one is covered by a plate with astuffing box in the centre, through which the polished piston rod moves ;and the under one by another to which the suction pipe is attached, andwhose orifice is covered by a valve. To the forcing or discharging pipe Oliap. 4.] Lifting Pumjy xcith tK-o Pistons. 279 a cock is commonly soldered as in No. 118, to supply water wlion re-quired at the pump. This is one of the most useful forms of the pumpfor household purposes: it may be placed in the kitchen, cellar or yard,and will not only draw water from a well, but will force it up to everyfloor of a dwellinii, and still answer every object of the ordinary atrnos-pheric pump; and if an air-vessel be connected to the pipe, as in No. 120,it will then become a domestic
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Keywords: ., bookcentury1800, bookdecade1870, bookiddescriptiveh, bookyear1876
