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Heating and ileus S.S.“S. T. Crapo” Hyde Hyde Windlass Bath, Main S. S. Iroquois built by Newport News S. B. & D. D. Co., for the Clyde S.S. Lines. Note Sturtevant Ventilating Fans installed on deck Pade AR VENTILATION by Sturtevant The, Iroquois, and Shawnee, the two well known sister ships built for the Clyde Steamship Lines are insured against inadequate ventilation. No stuffy atmosphere exists on these ships. Air in abundance is provided for pas- sengers and crews by Sturtevant Ventilating Fans. Where dependable and economical op- eration is imperative, Sturtevant Ven- tilating Fans are invariably chosen. Their splendid performance on all types of ships—large or small has made them the choice of Marine architects and en- gineers. We take pleasure in helping Marine architects and engineers select the particular type of ventilating equip- ment for the ‘ships they are planning. B. F. STURTEVANT COMPANY, HYDE PARK, BOSTON, MASS. Sales Engineering Offices in Principal Cities lurlevani Marine Equipment REG-U-S-PAT- Equipment— If You Want the Best Specify Hyde S. S. “H. 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. gineering Works. These three fine new boats are all equipped with Mechanical Draft Equipment— Turbines—Motors—Blowers— owned by Huron Trans- portation Co. and built by Great Lakes En- Quadrant Type Steering Gear Spur Gear Windlass Mooring Winches Hatch Winches Ventilating Sets—Heaters— Generating Sets—Exhausters Engines HYDE Quadrant Type Steering Gear MARINE REVIEW—April, 1929 Company Gasoline and Steam