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eciprocating Engines DE LAVAL EXHAUST TURBINE installed to sup- plement a piston engine, in accordance with the Baver-Wach System, will increase the power 20 to 25 per cent, or decrease the fuel consumption for equal power by a like amount. Greater speed, more trips, and greater yearly earnings can be made without changing the exist- ing boiler plant or burning more fuel. References can be given to 500,000 H.P. in successful service. e Laval Steam Turbine Co. Trenton,New Jersey MARINE REVIEW—December, 1929 69 | | | |