Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 160
heel B. A slidingcarriage, F, carries a wheel, G, and a set of rotating cutters, H,the radius of the cutting edge of the cutters being exactly the sameas that of the wheel G. The carriage is pressed against the tem-plate D either by springs or a weight, but as D revolves, the GEOMETRICAL… … Fig. 155. to the axes of the wheels, the piece E can be made an exact copyofD. § 103. The Square, Angular, and Round Hole Drilling Machine.— A second illustration of a copying tool is a drilling machine, whichenables polygonal and other holes to be drilled out. It is usedin the manufacture of such…
Machinery, Kinematics of
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