Wallis, Rolland S. [from old catalog], Iowa state college of agriculture and mechanic arts, Ames. Dept. of engineering extension. [from old catalog] · Ames, Iowa, Engineering extension department, Iowa state college · leaf 64
Fig. 82. To Construct a Triangle.— (Fig. 82e.) Given the sides B and C asradii strike arcs intersecting at F. Draw DF and EF. .-Line to be divided -t—/—t … Scale - Fig. 83.—Dividing a line into a number of equal parts. Length of a Circular Arc.— (Fig. 84.) (First Method.) Given thearc AB. Draw the line BC tangent to the given arc at B (perpendicular 62 to the radius). Set the dividers to a suitable spacing and, starting atA, step off equal spaces…
Mechanical drawing
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