Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 150
(144) Fig, 150, Feed Hopper PENCIL JMECHANICAL DKAWING 14^ shown in Fig. 148, 149, 150, or 151, or any similar object, withdimensions, as assigned by the instructor. Instructions: Proceed as for previous orthographic sketches. … Fig. 151. Bird House DATA FOR LETTERING PLATE 14 Given: Plate 14 to reduced size. Fig. 152. Required: To make the plate in ink to an enlarged scale. PREPARATORY INSTRUCTIONS FOR DRAWING PLATE 15 Inclined Lines. Lines at such angles as 15°, 30°, 45°, 60°,and 75° may be drawn with the T-square and…
Mechanical drawing
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