A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 69
Fig. 6g, Prony Brake.in the position shown by the dotted line. If asufficiently heavy weight be placed at x, in a panhung at A, the beam will assume a position ver-tically downwards. If, however, the torque, or … Fig. 70. Prony Brake. twisting force of the driving shaft, be balanced bythe weight, the bar will remain horizontal. Thepower can then be calculated by multiplying theweight in pounds by the circumference in feet ofthe circle of which the bar is a radius, and thisproduct by the number of turns of…
Electricity · Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
