Hydraulic, electric, steam and belt elevators. . THE. OTIS PRESSURE TANK SYSTEM IN THE MOST COMPACT SHAPE FOR OPERATING HYDRAULIC ELEVATORS 4 THE OTIS STANDARD ELEVATOR. THE OTIS PASSENGER ELEVATOR CAR WITH GRAVITY WEDGE SAFETY PLATFORM. THE OTIS STANDARD ELEVATOR. 5

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Keywords: ., bookcentury1800, bookdecade1890, bookidhydraulicelectricsteamand