ater can percolate through. This would be the dam was built, it is inadequate to the needs of the the dam dry. a matter requiring care, if the water were but 10 or 20 present population of 3,000,000. The new Croton dam, The excavation was carried on by the various well- feet deep ; but at depths of… … 6.-THE COMPLETED DAU. NEW YORK CITY WATER SUPPLY-NEW CROTON DAM. which is being built across the valley at a point 31^ known mechanical systems, such as suspended cable- reservoir at the dam), where the hydraulic pressure is 5 miles below the present dam, is part of a great scheme ways, steam…
Gas · Acetylene · Dam · Munn · Patents · Scientific American · Hoisting rope · Firing bolt · Patent office · Masonry dam · Cubic feet · Longest pole · Soft soap · Third rail · American supplement
Internet Archive · Public domain (published before 1931). Free to use for anything.
