Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 43
polygon, say 6. Draw lines throughevery division except the first. With A as center and AB as 28 MECHANICAL DRAWING. radius cut off A2 in C. From C with the same radius cut A3in D. From D, A\ in E. From B, A$ in F. Join AC, CD,DE, EF, and FB. Ffgb ft. To Construct a Regular Heptagon,… … Fig. 42.
