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Mechanical drawing for secondary schools (1916)

Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 281

An illustration from Mechanical drawing for secondary schools, 1916, leaf 281
s is their z Fir. 315. Lettering Plate 40 4-1 ^^^rjAn/Baz^^ zreiation to each other The finaizztest of good spacing is iegibiiity. zz All strokes should be made zzwith the hand and arm in the -zsame position. 123456 789 z Fig. 316. Lettering Plate 41DATA FOR LETTERING PLATE 40Given: Plate 40 to… … Fig. 317. Typical Model of Complete Machine DATA FOR LETTERING PLATE 41 Given: Plate 41 to reduced size. Fig. 316.Eequired: To make the plate to an enlarged scale. PREPARATORY INSTRUCTIONS FOR DRAWING PLATE 42 The model for this plate should be a complete machine orsome unit of a machine which is…

Mechanical drawing

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