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FOR te ee ee ag APO ny? me April, 1919 THE MARINE REVIEW 27 CONDUCTORS SURFACE BLOW VALVE CHAMBER BLOW OFF VALVE | , | BLOW OFF VALVE COLLECTING NOLLLES You know that leaky seams, fire cracks, broken staybolts, etc., invariably follow frequent boiler cleaning. Get away from that crude practice of causing premature failure of the different parts of the boiler. Install Geyser Boiler Cleaner now. That will do it. Remember It conserves the life of your boiler. It keeps your boiler in commission. It maintains approximately normal temperature between the bottom and top of the boiler. It saves fuel. . It occupies small space in the boiler. It eliminates most all repair expense. The following are a few of the Steamship Lines that are now using the Geyser Boiler Cleaner: Headwaters Steamship Co. Merrimac Steamship Co. Franklin Steamship Co. Calcite Transportation Co. United Fuel & Supply Co. Detroit, Belle Isle & Windsor Ferry Co. Detroit & Walkerville Ferry Co. National Steamship Co. Montreal Transit Co. Write to-day for price, details of installation, etc. Manufactured by GEYSER BOILER APPLIANCE CO. 661-663 Atwater Street 7 Detroit, Michigan Please mention THE Martine Review when writing to Advertisers