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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 (1876)

Ewbank, Thomas, 1792-1870 · New York : Scribner, Armstrong · leaf 242

An illustration from 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, 1876, leaf 242
ntinued in use. On these considerations we believedouble piston pumps \vere abandoned in the British navy. A singular modification of the common pump was devised in Englandin 1819, for which the Society of Arts awarded a premium of twentyguineas. The chamber was curved, and the centre of the… … No. 93. Curved Pump. The objects supposed to have been attained by this arrangement, were greater simplicity of workmanship, and greater steadiness and preci-sion of action (of the sucker.) The device is ingenious, but can never begenerally adopted. The spring of the rod with the wear of the bolt…

Pumping machinery

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