Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 220
228. Centrifugal force of a ring. M tta s/ Rz+r* F = 4150 … 229. Centrifugal force of a grinding stone, circle-plane, cylinder, rotating round its centre. F = MRn* 4150
Mechanical engineering · Engineering
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