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“Ferguson” Propeller Wheels were chosen to drive the STRS. CHESTER AND EDGEWATER Made in BRONZE, STEEL and SEMI-STEEL Cle F. FERGUSON and SON HOBOKEN, NEW JERSEY DEAN BROS.|| OERTZ RUDDERS: Greater Speed MARINE Fr UMP. S Decreased Vibration Poker oven Better Manoeuverability Single Style & Duplex Piston Type & Plunger S. S. Delsud ~_. Newest Oertz Rudder Equipped The efficiency records of 10 Oertz Figure No. 2311 Horizontal Single Style Double Acting Outside End Packed Plung- er Trombone Pot Valve Pump For Boiler equipped Lake ships corroborate our claim that the Oertz Stream- Feed & Pressure Service. line Rudder is of particular value D 3 AN BROS. “7, PANY when applied to Great Lakes ships. S. C Mi OERTZ STREAMLINE RUDDER CORPORATION 75 West St., New York City MANUFACTURERS OF PUMPING MACHINERY FOR ALL PURPOSES 323 WEST TENTH ST. INDIANAPOLIS /ND. MaRINE Review—October, 1931 49