Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 35
GEARING. 27 shafts, equidistant from the gorge-planes. But this is not always possible: for example, in Fig. 2126we have two tangent hyperboloids, so situated that the projections of the axes on a plane parallel toboth intersect at right angles. This case presents the remarkable feature that the…
Mechanical engineering -- Dictionaries
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