Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 164
178.I VT^. A =0-8660 \/> —a*, 2 = length, and TF— weight of half the chain,^, cot. - ?*, F=,^y,/ = Wtan.».a sm.2 K … sm.2v cot.u = —.a TV = weight of half the numher of halls. IS* 150 Inclined Plane.
Mechanical engineering · Engineering
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