en ob- this time this subject is particularly interesting, since 2}£ feet thick. In the walls are formed grooves for viated by the introduction of two butterfly valves, which can be opened by one man in ten minutes. the wates-to be admitted through the new aqueduct the reception of screens or stop… … The estimated The new reser- JPW YORK CITY WATER SUPPLY-VALVE CHAMBER IN GATE HOUSE, CENTRAL PARK RESERVOIR. cost of the struc- •i>i -•';"divided ture, which is to .a.o*'two' sections be completed on or before Sept. 30, 1887, is $250,000. at 97th Street and 9th Avenue and the distributing pr ponds…
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