Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 31
Within a given ci?cle to draw any 7tumber ofequal semi-circles tangent to the circle a?id forming by their diameters a regular polygon. Draw radii 1-2 and i-j at right anglesto each other. Beginning at 2, divide the circleinto twice as many equal parts as the numberof semi-circles required, and…
Mechanical drawing
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
