The following text may have been generated by Optical Character Recognition, with varying degrees of accuracy. Reader beware!

February, 1917 THE MARINE REVIEW MARCO PISTON, PUMP VALVES, _ || STEAM AND DECK PUMP, INCLUDING OUR HOSE, MATS AND wnt UNEQUALED MECHANICAL RUB- WHITE CONDENSER || BER GOODS OF ALL SHEET PACKINGS. PUMP VALVE. KINDS. THESE PRODUCTS Have an Enviable Reputation and Record for Perfect Service. Our Branches in the Principal Lake Ports UNITED STATES RUBBER CO. 379 Washington St.,. BUFFALO, NEW YORK — OHIO RUBBER CO. e 725 St. Clair Ave. N. W., CLEVELAND, OHIO™ OHIO RUBBER CO. . 228 Jefferson Ave. East, DETROIT, MICHIGAN UNITED STATES RUBBER CO. 218 W. Madison St., _ CHICAGO, ILLINOIS UNITED STATES RUBBER CO. 41OneidaSt., | MILWAUKEE, WISCONSIN The Mechanical Rubber Co., Cleveland, Ohio Detail of the Edward Protected Seat and Disc, patented, showing the annular ring protecting the seating surface of the seat, and the annular lip on the disc which restricts any appreciable flow until the seating surfaces have separated far enough to be free from wire drawing. THE EDWARD NON-RETURN VALVE com- bines the utmost in simplicity with reliability, = demonstrated by years of successful service. This pon heres vase valve closes by gravity alone and is not dependent on arush of steam. The working parts are protected from grit and scale; the design affords a cushioning effect which prevents pounding or chattering. Stop Valve Your inquiry at our nearest office will receive prompt attention, and we will appreciate the opportunity of going into detail with you. The Edward Valve & Mfg. Co. Manufacturers of High Grade Valves, Fittings and Specialties for Steam, Hydraulic, Ammonia, Etc. GENERAL OFFICES 343 South Dearborn St., CHICAGO Ammonia Bronze Valve Branch Offices: Boston, Mass.,67 Milk St. New York, N.Y.,50 Church St. Pittsburgh, Pa., 511 Wood St. Stop Valve Navy Type _ Please mention THE Marine REVIEW when writing to Advertisers 41