ARTIFICIAL NIAGARA AT ST. LOUIS.

ARTIFICIAL NIAGARA AT ST. LOUIS.

An immense artificial cascade has been determined upon by the authorities of the Louisiana Purchase Exposition as the centrepiece of the semi-circular layout of the principal buildings. The cascade itself will be divided into three parts as follows: A large middle cascade, with a smaller one at each side, the water flowing directly into the head of the Grand basin. In all, about 90,000 gallons of water per minute will be supplied at a head of 159 feet—forming the greatest artificial water effect ever attempted. The water will be taken from the Grand basin itself, and will be raised to the top of the cascade by a pumping station located under Festival hall. The pumping machinery will consist of three thirty-sixinch single-stage, turbine centrifugal pumps, purchased from Henry R. Worthington, of New York city, each driven by a 2,000-horsepower Westinghouse alternating current motor. The total horse« power utilised will thus be 6,000—making this the largest electric pumping station in the world. The pumps and other pieces of machinery for this plant are now being installed at St. Louis.

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