Notes in engineering, 3a, Harvard university (1904)
Kennedy, F[rank] L[owell] [from old catalog], Norton, Arthur Edwin, [from old catalog] joint author · Cambridge, Mass. · leaf 34
(a) Heavy Lines aboc^t thus 3heet S SHEKT 6 Conic Sections 20 … Use of French Curve or Scroll Given a series of points to be joined by a smooth cui-ve. Find portion of Scroll to fit at least 3 points (as b, C, d).Then draw from b to k (about half way between c and d).Change Scroll to fit c d e, and draw curve from k to halfway between d and e. Continue thus.…
Mechanical drawing
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