Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 215
Fig. 228. Ventilator Pipe … Fig. 229. Scale Scoop DATA FOR LETTERING PLATE 29 Given: Plate 29 to reduced size. Fig. 231.Eequired: To make the plate to an enlarged scale. ADVANCED DRAWING 211 STROKES 1 1 2 3 rT A =r- -.{ ■ ::::.7 ■#/f1 Jl i/c: ~\ =n T m- 77f Fig. 230. Lettering Plate, r, h, n, m r r r r r r r kirk vitrify…
Mechanical drawing
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