Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 209
f the base circle of the cone and maybe laid off by dividing the orthographic view of the base circleinto a number of small divisions as described for the cylinder,page 197. These lengths are then transferred to the arc withthe dividers. The pail shown in Fig. 221 is not a complete cone. It… … Fig. 220, Eolling a Cone to Obtain the Development of Its Surface Required: To draw a pattern for one of the objects shownin Fig. 222 or 223, or any similar object as assigned by theinstructor. Instructions: Draw the orthographic views and make a con-struction for the pattern similar to that shown…
Mechanical drawing
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