Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 60
us obtaining the points marked 1, 2, 3, etc. Thefirst revolution completed, proceed in the same manner tofind the points 1, 2, 3, etc. Through these points tracethe spiral of two revolutions. GEOMETRICAL DRAWING. 45 Fir2b I?. To Construct the Involute of the Cir-cle 0. — Divide the circle into any…