Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 32
cleinto twice as many equal parts as the numberof circles required, and draw radii extend-ing them beyond the points of division. Atany point, as 2, draw a tangent to the circleintersecting a radius, extended, at 11. Bisectthe angle 2-11-12, and obtain ij, the centreof one of the required circles.… … Problem 43. given. To draw an ellipse, its axes AB and CD beifig 24 MECHANICAL DRAWING. ^ fe ^ Upon the axes draw circles and divideboth circles by diameters i-i; 2-2, etc.,into any number of parts, equal or un-equal. From the points in the large circledraw parallels to the short axis, and…
Mechanical drawing
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