Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 65
ngthof the minor axis for other positions may be estimated by usingFigs. 56 and 58 as guides. For any angle the axis of the cylindermakes with the horizon the length of the minor axis will remainthe same for all levels. When the nearer ellipse is drawn, thehalf length of the minor axis of the… … Fig. 59. Concrete Block Required: To draw one or more of the above objects inpositions selected from the following table by the instructor.
Mechanical drawing
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