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Industry : a magazine devoted to science, engineering, and the mechanic arts, especially on the Pacific Coast (1888)

San Francisco : Industrial Pub. Co. · leaf 619

An illustration from Industry : a magazine devoted to science, engineering, and the mechanic arts, especially on the Pacific Coast, 1888, leaf 619 — ies normal to the rotating disc complete the circulation. For the sake of brevity I have omitted the influence of the outer boundary. The moment of resistance of the rotary disc must be equal to that of the vessel, a fact upon which the tests, as described in Bulletin No. 2, were based. ' '… … Fig. 17. "Applying the above to the rotation of a plain disc (Fig. 17) we have differential of R that is d R = A y 2 w x dx w2 x2, and differen- tial of moment of resistance, that is, d M = A y 2 tx w2 xi dx, hence M _ Xy2 7rw2x5 5 w% ■ X* A 2 7T y and L (work) — ' " " or 5 7T4 24 x5 A A y 5 X = 10

Industrial arts · Technology

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