Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 81
e up all lost motion andmeasuring the corresponding rotation of the drum. In makingcalibrations of this or any other sort the student should be care-ful to see that the practical conditions are identical with thelitest conditions. An indicator reducing motion was calibrated in 60 THE STEAM-ENGINE… … Fig. 33. to the lower guide, which, when the engine was under full load,was found to vibrate enough to distort the card. Pantographs theoretically give a perfect reduction. Numer-ous joints must be avoided, as each must be free from lost motion. Fig. 34 shows a pantograph device at midstroke. This…
Steam-engines · Heat-engines
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