Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 31
GEOMETRICAL PROBLEMS. 23 g with I as centre, and join its points of intersection, p, zo, andzz, obtaining the diameters which contain points 12, zj, and z^,the centres of the required semi-circles, of which 12-2 is thelength of a radius. Problem 41.— Within a given circle A to draw any number of…
Mechanical drawing
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