A catechism of the steam engine in its various applications to mines, mills, steam navigation, railways, and agriculture. With practical instructions for the manufacture and management of engines of every class (1864)
Bourne, John · New York, D. Appleton & co. · leaf 32
d,until its vertical height is such that a pendulum of that lengthwould perform two vibrations for every revolution of the gover-nor. By the outward motion of the arms, they partially shutoff the steam from the engine. If, therefore, a certain expan-sion of the balls be desired, and a certain… … pendulum equal in length to the height of the cone wouldmake of vibrations. The rule is, multiply the square rootof the height of the cone in inches by 031986, and the 16 OPERATION OF THE GOYEENOE. product will be the right time of revolution in seconds. Ifthe number of revolutions and the length…
Steam engineering · Steam-engines
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