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14 | THE MARINE REVIEW NICHOLSON the most advanced type of SHIP LOG Gives the mile- age sailed, and shows the exact speed per hour on adial, record- =; ing it on a chart = for every minute of the trip. esas The Nicholson Recording Ship Log is installed on battle ships, passenger ships, bulk freighters, car ferries, yachts, and motor boats. Write for catalogue NICHOLSON SHIP LOG co; Cleveland, O. WARD’S WROUGHT STEEL MARINE BoILER ADOPTED BY U.S. GOVERNMENT GENERATING TUBES EXPANDED. NO OTHER JOINTS. NO NIPPLE CONNECTIONS. NO STAYBOLTS. The Charles Ward Engineering Works CHARLESTON, WEST VIRGINIA MARINE ENGINES RIVER STEAMERS January, 1917 MECHANICAL AND ELECTRICAL SHIPS TELEGRAPHS Rudder Indicators Shaft Speed Indicators Electric Whistle Operators Electric Lighting Equipments, Fixtures, Etc. Electric and Mechanical Bells Annunciators, Alarms, Etc. Loud Speaking Marine Telephones Installations Chas. Cory & Son, Inc. 290 HUDSON STREET, NEW YORK CITY The Lake Erie Drydock and Mill Co. LAUNCHES SCOWS TUGS DREDGES Our Marine Ways and Saw Mill en- able us to give exceptional service in re- building and heavy repair- ing ofall kinds SPARE’S MANGANESE BRONZE PROPELLERS Will save you hundreds of dollars in fuel costs each year Write for Particulars We make propellers of all sizes. 10 inches to 20 feet in diameter Sole Manufacturers DYSON STANDARD MOTOR BOAT PROPELLERS AMERICAN MANGANESE BRONZE GOMPANY 3431-3527 Rhawn St., Holmesburg, Philadelphia OT ET EROS UAT TI _ lle Please mention THE Marine Revyirw when writing to Advertisers