Higbee, F. G · New York, John Wiley & Sons · leaf 214
D and ED into any number ofequal parts, in this case six. Draw A5, A4, A3, A2, Ai, alsoB5, B4, B3, B2, Bi. At the intersection of each of these Hnesfrom A with the corresponding lines from B -will be located apoint on the curve, and by finding a sufficient number of pointsthe curve may be drawn as… … dicular to AB. On OM as a diameter describe the circlecutting the major auxiliary circle at K. Draw KN perpen-dicular to AB. Draw NL, the required tangent. To rectify a given arc. An approximate method. Let AB be the given arc. Divide it as shown into a numberof equal parts. Let the distances into…
Geometry, Descriptive
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