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 585
both, in opposite directions, until the required twist has been given, andthen subjecting it to the operation of hammering. But when the bar is to be drawn by rolling, the baris to undergo the operation of twisting whde passing between the rollers, or after it has passed betweenone set, and before… … As the bars thus prepared are, in most instances, to be reworked to receive the required form orforms, according to the purposes- which they are to be apphed to, it will be evident that they may betwisted as they pass from the hammer or the rollers, instead of giving the twist before the…
Mechanical engineering · Mechanics · Engineering
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