Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 35
26 MECHANICAL DRA WING. Problem 48. … To draw the involute of a circle. From any point, as z, in the circum-ference set off any number of equidistantpoints, 2, J, 4, and 5. Draw tangents tothe circle at these points, and on the tan-gent at 2\ set off the distance 2-1, giving 6.-On the tangent at j, set off the length ofthe arc j-/,…
Mechanical drawing
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