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Sturtevant Turbo Transmissions The efficient and dependable _ ted service is always assured with operation of Sturtevant Turbo Sturtevant TurboTransmissions. Transmissions have been proved by the many years of continuous Capable of operating at a wide service on a large number of ships. Both merchant and naval boats have these units operating in various capacities with most economical results. range of ratio of pinion to gear speed these units are meeting the most rigid requirements. We are always willing to work with Marine architects and en- One of the outstanding uses to gineers in the selection of equip- which thisapparatusisadaptable ment that will best meet their : is fuel oil pumping. Uninterrup- particular needs. ae Sturtevant Turbo Transmission connected to fuel oil pump. Designed for gooo R. P. M. on pinion and 400 R. P. M. on gear. B. F. STURTEVANT COMPANY, HYDE PARK, BOSTON, MASS. Sales Engineering Offices in Principal Cities Sturtevant Marine Equipment REG. U. S. PAT. OFF. Heating and Ventilating | Mechanical Draft Equipment— Ventilating Sets—Heaters— Gasoline and Steam Equipment Turbines—Motors—Blowers Generating Sets—Exhausters Engines If You Want The Best Specify Hyde S. S. “A. F. HARVEY” owned by Pittsburgh Steamship Co. and built by Great Lakes Engineering Works. S. S. “B. F. AFFLECK” owned by Pittsburgh Steamship Co. and built by Toledo Ship- building Co. S. S.“S. T. Crapo” owned by Huron Trans- portation Co. and built by Great Lakes En- gineering Works. These three fine new boats are all equipped with Quadrant Type Steering Gear Spur Gear Windlass Mooring Winches Hatch Winches HYDE Quadrant Type Steering Gear Hyde Windlass Company Bath, Maine MARINE REVIEW—March, 1930