Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 65
Fig. 59. Concrete Block Required: To draw one or more of the above objects inpositions selected from the following table by the instructor. … Fig. 60. Nail Box The level at which the object is drawn may be assumed by thestudent. PERSPECTIVE SKETCHING 61 The right vertical face of tlie enclosing solid makes one ofthe following angles with the horizon: 1. 15°. 2. 30^ 3. 60^ 4. 11 The objects should be centered on the sheet as in…
Mechanical drawing
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