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 44
s on the other; and that even when thecommon perpendicular of the axes is greater than the diameter of the pins. But neither the dis-tance between the axes nor the difference between the diameters of the wheels can be varied, exceptwithin quite narrow limits, when the axes thus lie in different…
Mechanical engineering -- Dictionaries
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