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52 MARINE REVIEW July, 1922 Development The Sperry Gyro-Com- pass first went to sea more than a decade ago. 1400 followed this first compass into the naval and ma- rine service of the world. The Sperry Gyro-Com- pass today is a replica of the original — modified and refined to meet con- ditions brought out by The first Sperry Gyro-Compass over ten years of service. jay he Beg nk mR ie The rapid expansion of this service exemplifies the efficiency of the Sperry Gyro-Compass. Know the satisfaction of steering and navigating your ships by Sperry Gyro. O COPE CO. MANHATTAN BRIDGE. PLAZA BROOKLYN, N.Y. LIDGERWOOD STANDARD CROSS HEAD ANDLOWERS ( ‘Suess a —_— LID GERWOOD onal i SHIP and DOCK WINCHES TOWING ENGINES STEERING ENGINES SINGLE SPEED WINCHES Illustration shows Cat. No. 1917. The standard reverse valve type ship’s winch. Over 6,000 built and in successful use. All parts interchangeable. One man operates two winches. Gives absolute control of load both in HOISTING AND LOWERING. si We build a complete line of electric and oil driven cargo winches. TWO SPEED WINCHES Standard winches in stock for immediate shipment. This illustration shows the Lidgerwood winch, Cat. No. 1917—C. Send for Catalog MARINE MACHINERY It has compound gearing, handling light loads at high speed and heavy loads at slower speed. fiocerwoop Mrc. Co, 22ers ee . Interchangeable on same bed, and pipe connections 96 Liberty St., New York with the No. 1917. BRANCHES: Chicago Cleveland Detroit Pittsburgh Philadelphia Seattle Los Angeles London, England Please mention MarRinE Review when writing to Advertisers “Tee eee