172 MODERN STEAM PRACTICE . the exit of the fluid . The weighted lever is so arranged that the plug rod lifts the plunger and weight , and the cataract rod for disengag - … Fig . 105 . — Cataract with Plunger Pump . a , Cast - iron box . b , Plunger . c , Intet valve . d , Plug rod . e , Lever . f , Weight . G , Regulating spindle and valve . ing the valves ascends as the plunger and weight descend , the motion being changed by a lever ; the cataract rod for lifting…
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