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February, 1919 THE MARINE REVIEW LEADERS IN PEACE OR WAR The Sperry Gyro-Compass for Merchant Vessels. distributed-to the various steering positions. With the Advent of Peace we wish to announce that we are in a position to supply Gyro- Compasses for use on ships of the Merchant Marine. During the War nearly One Thousand Sperry Gyro-Compasses have been constant aids on thousands of miles of patrol covered by each vessel of the Allied Navies under all conditions of weather, and proved of invaluable assistance in navigating haz- ardous waters and making rendezvous at all times of day and night. The compass being non-magnetic is not subject to the usual errors and discrep- ancies of the magnetic compass, and The master is located in the engine-room and the pelorous and repeaters thereby insures a truer course with greater safety and economy of time. THE SPERRY GYROSCOPE COMPANY Manhattan Bridge Plaza Brooklyn, N. Y. A GOOD Man can always get a job and keep it So it is witha Good Air Tool Hose is a good hose Thousands of feet are working all day every day A large stock insures prompt delivery GOODALL RUBBER CO., Inc. PHILADELPHIA BALTIMORE PITTSBURGH NEW YORK Industrial Plant Rubber Goods 15 Victoria Street London, S. W. 1 One of the Bryant ENT Marine Wiring Devices A Plug Receptacle This ‘“‘Spartan’’ receptacle (Rated at 10 amperes, 250 volts) and ‘Spartan’ Polarity caps (Non-reversible) were especially designed for use in ship wir- ing. The insulation is of unbreakable moulded composition with metal parts of brass and bronze. ‘The cap is pro- vided with a strain relief grip and is for use with heavy marine cord either with or without metal armor. Two of the receptacles can be mounted in one four-inch round box. Both devices are fully approved for marine use. The are only two of the many Bryant Marine Wiring Devices. Included in the line are switches, keyed and keyless lamp receptacles, fuse blocks, inter-connecting blocks, etc. Write for complete data. THE BRYANT ELECTRIC COMPANY BRIDGEPORT, CONN. NEW YORK CHICAGO SAN FRANCISCO Largest Manufacturers of Electric Wiring Devicesin the World. Please mention THE Marine Review when writing to Advertisers 183