Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work (1910)
Lobben, Peder, 1858- · New York, D. Van Nostrand company · leaf 316
e. If each ring couldbe taken infinitely small the result would be correct. The polar moment of inertia is equal to the square of theradius of gyration about the geometrical center of the shaft, mul-tiplied by the area of cross-section of the shaft; therefore, for around, solid shaft (as the… … D = Outside diameter. d = Inside diameter. The fundamental principle for the polar moment of inertiafor any shape of section is that, if two rectangular moments ofinertia are taken, one being the least rectangular moment ofinertia, about an axis passing through the center of gravity, andthe other,…
Mechanical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from L'optique divisée en trois livres : ou, l'On démontre d'une maniere aisée tout ce qui regarde 1. la propagation & les proprietez de la lumiere. 2. La vision. 3. La figure & la disposition des verres qui servent à la perfefectionner [sic] (1682)](https://img.insideoutlibrary.com/img/200/ia-loptiquedivise00ango-34-5.webp)
