| http://www.w3.org/ns/prov#value | - The hand wheel for moving the rest or feed tool carriage is seen at X, while the handle of the mechanism for operating the second tool carriage Z is seen at Y. In the drawings a stationary rack is seen at a, a rack pinion at 7), and two gears at c, (Z. The pinion gear (l, is placed on the shaftI of the hand wheel X, while the .gear c, is on that of the rack pinion, the object of A the whole being
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