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MARINE DIRECTORY. 271 The "SPRAY" Feed Water Purifier lETOIRy STEA.M BOILERS. UNITED STATES AND FOREIGN PATENTS. Boilers are always kept clean. It absolutely prevents scale. Removes old scale. Saves fuel. "Compounds" are never required. Durable, Easily Applied, Small Cost, Reliable. Over four years' extensive use has proven the Superiority of the "SPRAY" Purifier over all competitors. SEND FOR CIRCULAR AND REFERENCES. The above ^o-^device attached toan JJALI & SONS. BllllO. N. Y„ U. S. A. THE SOUTH CHICAGO DOCK COMPANY, First National Bank Building, CHICAGO, ILL. Have for Lease for LUMBER YARDS,"Coal Yards, Warehouses, and GENERAL DOCKAGE BUSINESS, 20,000 Feet of Docks, Situated at SOUTH CHICAGO, ILL., on the CALUMET RIVER. Through the Belt Railroad System direct Connection Is made with all Railroads* entering Chicago. All Kinds of Material Docked at Reasonable Rates MAPS AND INFORMATION SENT PROMPTLY ON APPLICATION.