Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 191
OF ALL^l 2 3 4 5 6 Z Fig. 196. Lettering Plate 23 DATA FOR LETTERING PLATE 23 Given: Plate 23 to reduced size. Fig. 196.Required: To make the plate to an enlarged scale. Review Questions 1. (a) What is the difference between the two sides of thetracing cloth? (b) Which side is used in this course?… … Fig. 197. Governor Support 4. (a) How is the ruling pen held for ruling lines? (b) Howis it adjusted to the proper width of line? (c) How is it filled?(d) How cleaned? 5. (a) What precautions are taken in beginning and endinga line? (b) How does the pen approach and leave the paperin drawing dotted…
Mechanical drawing
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