Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 67
Fig. 90. Figb 91! To Describe the Cyma Reversa.—Make4, 3 = 4, I. Join I, 3 and bisect it in the point 2. From thepoints 1, 2 and 3 as centers and radii equal to about two-thirdsof 1, 2 draw arcs intersecting at 5 and 6. Points 5 and 6are the centers of the reverse curves. Fi£b It. To Describe the…
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