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They can’t heip it If the crew on your vessel hasn’t adequate ventilation of its quarters, you can’t expect that they will do their best when they are on duty. They can’t help it if they feel sroggy. If their sleep is disturbed and they do not get the proper amount of rest, naturally they will not feel up to par. A Sturtevant ventilating systern will keep the crews quarters as well as the rest of your ship supplied with clean, invigorating air. Why not investigate the possibilities of a Sturtevant Ventilating system? It won’t cost you a cent, and may mean money in your pocket. 4s) B. F. STURTEVANT COMPANY, HYDE PARK, BOSTON, MASS. Sales Engineering Offices in Principal Cities CGvanNl Marine Equipment (REG-U-S-PAT> OFF-) Heating and Ventilating | Mechanical Draft Equipment— Ventilating Sets—Heaters— Gasoline and Equipment— Turbines—Motors—Blowers— Generating Sets—Exhausters Steam 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 Fiyde Windlass Company Bath, Maine MARINE REviEw—September, 1931 DES eo ee a aS EO