Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 276
y 4) that is, for any section, so long as the origin is unchanged, the sum of the moments of inertia for any pair of rectangular axes is a constant. 4. Graphical Solutions of Equations (3). Given Ix, I Z and a; required Ix, Iy and Z'xy. I. Muller-Breslau' s Solution* From any point, as O (Fig. 4),… … Fig. 4. These three measurements to be laid off with strict regard to sign, — i.e., according to usual convention, Ix and I will be laid off toward the right, and Zx upward or downward, according as it is positive or negative. At Ix set up an ordinate numerically equal to Zx t, but of opposite sign…
Engineering
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