efect the stroke of the piston was reduced , and the ränge of the pencil multiplied with a lever parallel motion . Certainly the improvement is very effective , and fully answers the object in view . To suit the varying steam pressures it is found advisable to supply springs of different degrees of… … Indicated horse - power , 29805 h . p . cylinder . 6o8 ' 93 Low - pressure Cylinder . Atmespktnc Figs . 78 , 79 . — Compound Engine Diagrams . in the cylinders only 15 lbs . , that the steam line on the diagram will only be % inch from the atmospheric line , and with the vacuum
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