Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 136
n sharp steel points. The dividers are used forlaying off distances from the scale, for transferring lengths, orfor dividing straight or curved lines into any number of equalparts. PENCIL MECHANICAL DRAWING 131 To divide a line into any number of equal parts with thedividers, proceed as follows:… … Fig. 137. Stepping Off with the Dividers 3. Adjust the dividers to one-third the error making the dis-tance between the points larger or smaller as the case may-require. 4. Repeat the process until the third step ends exactly at theend of the line. In taking the steps the dividers are held by…
Mechanical drawing
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