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 179
angular, and extends from the floorto the ceiling; it then traverses in fixed sockets, the lower of whichhas a set-screw for retaining any required position. In the toolrepresented, the rod a terminates in a cast-iron base, by -which itmay be grasped in the tail-vice, or when required it may be… … BORING TOOLS 177 ■washer, -when screwed on the stem beneath, secure all very strongly together. Even in establishments•where the most complete drilling machines driven by power are at hand, modifications of the press-drillare among the indispensable tools: many are contrived with screws and clamps,…
Mechanical engineering · Mechanics · Engineering
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