Report on the Water Power, at Kingsbridge, Near the City of New-York, Belonging to the New-York Hydraulic Manufacturing and Bridge Company, 1827 (Classic Reprint)

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Excerpt from Report on the Water Power, at Kingsbridge, Near the City of New-York, Belonging to the New-York Hydraulic Manufacturing and Bridge Company, 1827The momentum, or power of water, is made up, of the quantity and of the head. Where there is great head, little quantity is required, where there is little head, greater quan tity is required, to produce a given effect. My first object, therefore, was to ascertain the quantity. Of water, my second object, the head which that water had.. In the case before us, the quantity depends on the extent of the water dammed up, by Macomb's dam, built across haarlem-river, at the end of the Eighth Avenue: which extent was ascertained by taking, the distance between that dam and Kingsbridge, from the of ficial map, of the city of new-york, and by measuring the breadth, in several places, so as to make a safe average. In establishing the breadth, a liberal allowance was made, so as to keep certainly, within the truth. The depth ta which I 4 think expedient to draw off the water, is six inches from the surface. On these data, is founded, Estimate No. I.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.