Sullivan, Christine [Gordon]. [from old catalog] · New York, Cincinnati [etc.] American book company · leaf 26
31). Divide the circumfer-ence into six equal parts. Each chord will be equal in length to theradius of the circle. Divide each sixth into four equal parts. Con-nect each point with every point in the circumference. EXERCISE WITH RULER AND COMPASSES, 21 LESSON VII. EXERCISE WITH RULER AND… … 2 2 ELEMENTS OF MECHANICAL DRAWING. LESSON VIII. EXERCISE WITH RULER AND COMPASSES. — C^;//2«2/^^. Note. — These exercises are not given in the form of or as problems in geometry,but as exercises with ruler and compasses. They should be drawn on six-inch hori-zontal lines. Exercise 3. — Draw…
Mechanical drawing
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