. Gillespie Company, engineers and contractors : water works and pipe lines, railroad and tunnel construction, hydroelectric plants. . Ten Duplex Corliss Compound Steam, Two-stage Air Compressors, developing over 4,000 H. P. and delivering24,000 cubic feet of free air per minute, compressed to I 10 pounds gauge. Contract No. Aqueduct, for the Board of Water Supply, City of New York—1909. THE T. A. GILLESPIE COMPANY. ENGINEERS AND CONTRACTORS Dynamos in connection with Air Com-pressor Plant. Catskill Aqueduct, ContractNo. 12, for the Board of Water Supply, Cityof New York 1909.

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