A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 386
angers, who are usually invited to hold their hats in front of thecock so as to receive the blast; when the hail issues with such violence,as frequently to pierce the hats, like pistol bullets. This mode of pro-ducing ice was known to the marquis of Worcester, who refers to it in theeighteenth… … No. 164. Pressure Engine atChemnitz. nitz, by which it might be rendered self-acting, were proposed in 1796. They consisted of small vessels suspended from levers that were secured Chap. 9.] Wirtzs Pump. 363 to the shanks of the cocks, which they opened and shut in the same man-ner as shown in No.…
Pumping machinery
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