Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 335
been completed, proceed to the delineation of the rim,arms, and eye of the wheel. The thickness of the rim is usually made equal tothat of the teeth, say one half of the pitch, which distance is accordingly set offon a radius within the circle of the bottoms of the spaces, and a circle is de-cribed… … ^ Fig. 692. MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. 319 rim, is generally formed, as shown in the plate. Describe the eye^ or centralaperture for the reception of the shaft, to the specified diameter, as also thecircle representing the thickness of metal round the eye, usually equal to…
Mechanical drawing
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