Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 139
from which Q X AC = P X OB, BG = -|- X AC; 1U NATURAL PHILOSOPHY. or, if P be taken equal to one pound, then willB 0 = Q x A 0. The scale of the If Q be taken suc- Bteelyaid • -, -> , -. constructed. cessivelj equal to 1,2, 3, 4, &c. pounds,then will the corre- Fig. 58. … sponding values ofB C, become A C,2 AC, SAC, 4 AG, &c. Thus, if a scale of equal parts be constructed on thelonger arm, having its zero at the point C, and the con-stant distance between the consecutive divisions equal toA C; the number of the division estimated from C, onwhich the weight P is…
Mechanics · Acoustics · Optics
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