REG. U. S. PAT. OFF. Equipment— 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 e Spur Gear Windlass Mooring Winches Hatch Winches yde Windlass Bath, Main Marine Equipment Heating and Ventilating Mechanical Draft Equipment— Turbines—Motors—Blowers— When your passengers get up in the morning are they refreshed from aq good night’s sleep? If they have been sleeping on the boats equipped with Sturtevant ventilating fan, the chances are that the fresh cool sea air has filled them with new zest and vigor. Sturtevant Ventilating equipment has been the standard by which all other systems have been measured for over fifty years. They are both quiet and efficient. We put into them the ex- perience gained from sixty-six years of building air handling equipment. A request will bring you complete in- formation on this very important sub- ject of marine ventilation. SAS : B. F, STURTEVANT COMPANY, HYDE PARK, BOSTON, MASS. Sales Engineering Offices in Principal Citics Ventilating Sets—Heaters— Gasoline and Generating Sets—Exhausters Steam Engines 1 HYDE Quadrant Type Steering Gear MARINE REVIEW—_J anuary, 1931 Do They Sleep Soundly? | Company | | —