file of the section has been de- atone time strongly urged, but is at present held in falls of potential in a valley, and even to considerable signed in accordance with Rankine’s rules. The width abeyance. We allude tothe proposed Quaker Bridge of the section at the foundation is 110 ft. The crest… … the by-wash, which is 200 ft. wide, is 5 ft. below the dam, on the line of the Croton water works of New observed on the 16th, 18th, and 20th July, 1890, the crest of the dam. The reservoir behind the dam, when York City. positive fall of potential, within the cloud which sent full, will be 114…
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