Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1910)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 136
324. COUNTERBALANC-ING HYDRAULIC ELEVA-TORS. Showing the arrange-ment of valves, cylinder, circulat-ing pipe for up and down motionof the hydraulic piston and thedistribution of the counterweightsto equalize the power. The de-tails of operation are shown by thelettering on the cut. HYDRAULIC POWER… … 329- 325. RE-ENFORCIN GWELLS. The re-enforcement ofwells in times of drought may bereadily made by making a cylin-der of galvanized iron, punchingit with a thin chisel, as shown inthe cut, 326, inserting it and push-ing it down in the bottom of thewell, 328, and boring out the sandwith a sand…
Mechanical movements
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