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20 MARINE REVIEW April, 1924 Oil Firing Systems : On a 500 I.H.P.—22" x 26" Piston Valve, no cut off Tug Boat Installation we are saving the operator $30 per day, (24 hours). On a 10,000 Ton Oil Tanker 3,000 I.H.P. we re- duced the fuel consumption from 240 bbls. per day to 200 bbls. per day (24 hours). | ? What Can We Do For You ? Burnwell-Combination Draft Furnace Fronts Forced Draft Connection Can Be Placed in Any Position John S. Patten Engineering Co., Inc. 10 Hanover St., New York City Representation and Service at Philadelphia Norfolk San Francisco Boston New Orleans Portland Baltimore Los Angeles Buffalo Cleveland Please mention Marine Review when writing ‘to Advertisers