Blessing, George F. (George Frederick), 1875-1921, Darling, Lewis A. (Lewis Andrew) · New York, J. Wiley & sons; [etc., etc.] · leaf 186
Fig. 132. ^Offset Construction. diameter as the sphere. The radius of the circle which representsthe sphere will be equal to one-half the major axis of the ellipsewhich represents the circle. In Fig. 133 is shown a sphere ofdiameter D. The dashed ellipse shown in Fig. 133 (b) is the
Mechanical drawing
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