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 134
lays {mj>rovemeiit. Me copy from the inventors specification:My invention of certain improvements in machineiy, for roUiug iron or other metals, is designed ta IRON ROLLING MACHINE. 129 produce, by the process of rolling, bars of taper forms, as for instance wedge-shaped bars or conicalbars. The… … ^!^y,rm,,„
Mechanical engineering · Mechanics · Engineering
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