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 129
n inch) from the upper to the lower. In others, and perhaps in the generality ofcases, the middle of the three is the largest. Some metallurgists, on the contrary, object entirely tothis diftereuce of diameter, as causing increased friction in the machinery, and straining the iron. Thisobjection is… … IRON. 125 bar after tlie resistance of the lower roll lias ceased, and will, of course, tend to force it down upon theapron. But this tendency to curl is best corrected by having r/uank to eacli groove—i. e., wedges o1wrought-iron, which catch the bar as it comes out. The diameter of the cylinders,…
Mechanical engineering · Mechanics · Engineering
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