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A-E-CO Electro-Hydraulic Steerer No Hydraulic Steerer Can Be Better than Its Pump. In the steerer shown below the Hele-Shaw high-pressure pump provides tremendous power under instant, perfect control. The discharge of the pump is reversible, which makes it possible to install a follow-up mechanism of extreme simplicity. The pump itself is direct-connected to a constant speed electric motor and always rotates in the same direction at the same speed, regardless of the amount and direction of the discharge. There are no complicated electrical controls. Write for information. American Engineering Company Kensington Station Philadelphia, Pa. Hele-Shaw Hydraulic Pump J MARINE REVIEW—June, 1927 55