A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 549
flexible tube of leatheror cloth impermeable to liquids, so that the part in which the valve issituated need only be moved. See No. 257. Siphons are necessary in numerous manipulations of the laboratory, andmodern researches in chemistry have given rise to several beautiful devicesfor charging… … No. 256. No. 25: 52G Siphons used by Chemists. [Book V. in op< ration by the lungs. Moreover cocks and valves jf metal are actedon by acids, and in some cases would affect or destroy the properties of • he {- ids themselves.
Pumping machinery
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