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Penton Bldg. Cleveland, O. MERE 1S THE CITY OF SAGIN by us for the Pere Marquette Railw 4 AW 31, the turbo electric drive carferry built ay Company. When it comes to designing and building vessels our engineering organization, skilled workmen, and modern facilities guarantee satisfaction to the customer. We design and build steel passenger and freight vessels, carferries, oil tankers, sand suckers, lighters, dredges, yachts, fire boats, tugs, derricks, scows, marine engines and boilers. At this plant you will find excellent facilities, including a 600’ steel float- ing dry dock, for ship, engine and boiler repairs. MANITOWOC SHIPBUILDING CORPORATION MANITOWOC, WISCONSIN Cargo Handling .... Marine Review is the only marine publication devoting a special edi- torial section to the problems of stevedoring and cargo handling. Operating executives everywhere are effecting new economies by ap- plying methods and principles des- cribed in this section each month. Cargo handling—approximating 30 per cent of ship operating expense —is a source of increased profits when modern methods are applied. A subscription will bring this serv- ice to you the first day of each month. Address: Marine Review MARINE REVIEw—July, 1931 220 Broadway New York, N.Y. Star Brass Mfg. Co. 53 Oliver Street -::- Boston, Mass. MANUFACTURERS OF Accurate ‘‘Non-corrosive’’ Pressure and Recording Gauges, Revolution Counters, Marine Clocks. Dead Weight Gage Testers. Marine, Safety and Relief Valves for all pressures. Marine Whistles and Sirens. Extra Heavy Renewable Globe, Angle and Check Valves. Star Outside Spring Steam Engine Indicators. HIGH GRADE THROUGHOUT SPECIFY AND ORDER THE BEST. Branches: CHICAGO PITTSBURGH NEW YORK THE RITCHIE LIQUID COMPASS The Standard Liquid Compass the world over. Used Exclusively in U. S. Navy for over 40 years. Over 65,000 on Merchant Vessels in all parts of the world. Made in all sizes 2 to 12” dia. Magnets for adjusting Purposes. U.S, Navy Standard Binnacle E. S. RITCHIE & SONS Brookline, Mass., U.S. A. Agents for the Great Lakes, The Upson-Walton Company, Cleveland, Ohio