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December, 1925 MARINE REVEEW Sturtevant Marine Equipment S. S. Leviathan, largest ship afloat, is equipped with Sturtevant Apparatus. These units are satisfactorily ful- filling all heating and ventilating and forced draft re- The above illustration shows two of the 32 Sturtevant Ventilating Fans. Eight Sturtevant Forced Draft Fans each direct connected to a VS-7 Engine supply quirements. draft to the boilers of this great ship. B. F. STURVEVANT COMPANY, HYDE PARK, BOSTON, MASS. Divisional! Factories: Sturtevant, Wis. Berkeley, Calif. Camden, N. J. Galt, Ontario Engineering Specialties REFLEX WATER GAGES Used on all types of boilers by all the Principal Navies of the World “THE WATERSHOWS BLACK” ADVANTAGES: Quick and reliable observation of the water level. Safe, sure and durable at high pressures. Not at. fected by cold air drafts. Most effective protection against injuries to boilers and workmen, Easily ap- plied to all types of gage glass fittings. When filled with WATER the Reflex Gage always appears BLACK. When empty it instantly shows WHITE. No mistake pos- sible. This feature alone is worth many times the cost of the Reflex. Send for catalog of ,Water Gage Apparatus. MANUFACTURED BY THE JERGUSON GAGE & VALVE CO. WINTER HILL, SOMERVILLE, MASS. Sturtevant manufactures a large and varied line of — Mechanical Draft Equipment Turbines Motors Blowers Ventilating Sets Heaters Generating Sets, Exhausters Gasoline and Steam Engines Sturtevant Equipment is built for long and de- pendable service. If you are contemplating building or conversion, let the Sturtevant Marine Apparatus Department help you in the selection of proper apparatus for your ships. Sales engineering offices and direct representatives in every commercial cen- ter of the world. 1363 STATEN ISLAND SHIPBUILDING COMPANY STATEN ISLAND, NEW YORK SHIP & ENGINE BUILDING DRY DOCKING & REPAIRS BRASS & IRON FOUNDRIES DRY DOCKING CAPACITY UP TO 10,000 TONS New York Office: 1 Broadway MAIN OFFICE & PLANT: MARINERS HARBOR, S.1. Please mention MARINE REVIEW when writing to Advertisers 30