Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 819
the thickness, and thereby render the wheel too weak for the work it has to perform. Moreover,there is the additional advantage in giving more breadth than is indicated above, that the surfaces oicontact being longer, vibration is to some extent diminished; the centres are accordingly better… … As it is convenient to express all the dimensions in terms of the same unit, and the pitch being anappropriate quantity, is nearly universally adopted as the term of comparison. These proportions differ, though slightly, in different works and in different localities; but they arethe most commonly…
Mechanical engineering · Mechanics · Engineering
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