Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 339
ed, and draw any radius, as CJj, passing through the centreof a tooth. On either side of the point L set off the distances L ^, L Z, makingthe thickness of the tooth M at the point, and indicate, in like manner, uponthe circles passing through the points B and d, its thickness at the pitch-lineand… … MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. 323 parts at the inner extremity of the teeth ; these radial lines will represent therectilinear edges of all the teeth. The curvilinear outlines may be delineatedby arcs of circles, tangents to the radii g C and i C, and passing through thepoints…
Mechanical drawing
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