Stationary steam engines, simple and compound; especially as adapted to electric lighting purposes . urfaces to which it is exposedon all sides at the beginning of the stroke. One of themethods of securing this economy in the working of steam,has been stated to be the driving of the engine up to thehighest safe velocity of piston, and giving it a maximumspeed of rotation. The time allowed for condensation ofeach charge, and for the necessary change of temperaturepreceding such condensation, is thus reduced, and theamount of steam condensed being thus made a minimum,in any given time, the perce
Stationary steam engines, simple and compound; especially as adapted to electric lighting purposes . urfaces to which it is exposedon all sides at the beginning of the stroke. One of themethods of securing this economy in the working of steam,has been stated to be the driving of the engine up to thehighest safe velocity of piston, and giving it a maximumspeed of rotation. The time allowed for condensation ofeach charge, and for the necessary change of temperaturepreceding such condensation, is thus reduced, and theamount of steam condensed being thus made a minimum,in any given time, the percentage of loss of the increasedquantity of steam worked off by the engine becomes theleast possible. The engine does a greater amount of work,and is subject to less loss. Thus the work to be done beingfixed, it is done by a smaller, and, other things being equal,a less costly engine, and at the same by a more economicalmachine. Although this seems a sufficiently simple and axiomaticphilosophy, and although the general tendency of practicein steam engineering had been plainly in this direction for.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectsteamen, bookyear1890
