Higbee, F. G · New York, John Wiley & Sons · leaf 138
h; therefore, with o as a center and ol as a radius describe the arc i 16, etc., and at any convenient point draw the line ogi equal to ogi. This line will be thefirst element in the development. Now divide the circle of thebase into a convenient number of parts and step these off on CONICAL… … \\ \ \ \ \ \\\ \ \ \ v\\ \ as at g, f, e, d, etc. In the figure only a few points have beenworked out to avoid the confusion of lines but in practice theelements should be spaced about as shown by the points i, 2,3, 4, etc. 128 ESSENTIALS OF DESCRIPTIVE GEOMETRY Since the development will be…
Geometry, Descriptive
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