Issue 21 and Volume 1895 16.

PUMPING WATER ON THE OHIO RIVER. The cut shown herewith represents a vertical direct acting compound condensing isochnoral pumping engine of 5,000,000 gallons capacity, built by the Laidlaw-DunnGordon company, of Cincinnati, O., for the city of Portsmouth, O., located on the Ohio river, this river being the most difficult, as well as the most costly on which to erect water works, the extreme fluctuations being from three feet at low water to seventy feet at high, water. The contract called for a vertical pumping engine capable of delivering 5,000,000 United States gallons of water in ^wenty four hours, against a domestic pressure of sixty pounds and a fire pressure of 110 pounds per square inch at the engine room floor, the engine room floor being seventy feet above low water. The pump is set in an iron cased well twelve feet diameter and fifty-five feet deep connected to a twenty…

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