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REFLEX WATER GAGES peptic types of boilers by all the Principal Navies ‘“‘The Water Shows Black’”’ ADVANTAGES: Quick and reliable observation of the water level. Safe, sure and durable at high pressure. Not affected by cold air drafts, Most effective protection against injuries to boilers and workmen. Easily applied 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 possible. 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 CoO. WINTER HILL, SOMERVILLE, MASS. EINE LER Kelvin & Wilfrid O. White Co. 112 State Street, Boston Ship Compasses Navigational Equipment Contracts a Specialty New York and Montreal John J. Boland Adam E. Cornelius BOLAND & CORNELIUS VESSEL OWNERS AND BROKERS Marine Insurance Agents Marine Trust Building BUFFALO, N. Y. EAN BROS. MARINE PUMPS “‘The Dean of Pumps on Land and _ Sea’’ Single Style & Duplex Piston Type & Plunger Figure No. 2311 Horizontal Single Style Double Acting Outside End Packed Plung- er Trombone Pot Valve Pump For Boiler Feed & Pressure Service. ESTABLISHED 669 DEAN BROS. COMPANY MANUFACTURERS OF PUMPING MACHINERY FOR ALL PURPOSES 323 WEST TENTH ST. /NDIANAPOQL/S /ND. GRISCOM- Evaporators—Feed Water Heaters—Extraction Steam Heaters—Generator Air Coolers—Lubricating Oil Coolers—Steam, Air and Oil Separators — Filters — Strainers—Expansion Joints Described in bulletins which will be sent on request THE GRISCOM-RUSSELL COMPANY CHICAGO: 20 North Wacker Drive RUSSELL 285 Madison Avenue, NEW YORK _ Propeller * =<! SD, toftany hab \ ._ Sheriffs Manufacturing Co. Established 1854 Milwaukee. Wis. E. H. READING PROPELLER WHEELS Machinery Repairs 226 Ohio St. BUFFALO, N. Y. - ?Phone Washington 5361 “MACANKING” STEEL HATCH COVERS Web beams, wood hatches and tarpaulins are economically obsolete as well as insecure, and no amount of tinkering with such an antiquated method of hatch covering can put it right. ‘‘Macanking’’ Steel Hatch Covers result in saving of Time in Port and increased Safety at Sea, while experience has proved that upkeep and renewal costs are elimi- nated. MACGREGOR & KING, LTD. 5, LLOYD’S AVENUE, LONDON, E.C.3., ENGLAND MARINE Review—December, 1931 53