A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 233
of it andhis description are annexed. A, B, (No. 84) represents a wooden trunk or cylinder of metal, having aa spout at the upper part, and the lower end closed by a plate, the openingin which is covered by a clack valve E, as in No. 83. To this plate is se-cured the open bottom of a long… … No. 84. Bag Pump. folds. The upper end of the bag should be firmly tied with a cord in a groove turned out of the rim of the board at F. Intothis board is fixed the fork of the piston rod,and the bag is kept distended by a number ofwooden hoops or rings of wire, fixed to itat a few inches distance…
Pumping machinery
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