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Turning and Mechanical Manipulation (1884)

John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 113

An illustration from Turning and Mechanical Manipulation, 1884, leaf 113
covered by the subsequent pattern may be left untouched. Absolute uniformity has to be maintained in the depth and equidistance of the several lines, the smallest variation in either respect showing a blemish that at once attracts the eye; and in addition, however large the surface mav be the tool… … quality of the lines. Prior to graining, therefore, the tool is sharpened and its cutting bevils polished in the manner de- scribed in the third volume, but with more than ordinary care and its point and edges are examined under a magnifier that there may be no doubt as to the similarity of the…

Ornamental turning

Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.

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