Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 90
Fig. 161. Peoblem 98, To draio tkansveese common tangents to tioo givencircles of unequal radii. Let A and B be the centres of the given circles, and AC and … BD their radii. Join AB. With A as centre, and a radius = AC 70 PRACTICAL PLANE GEOMETRY + BD, draw a circle. Bisect the line AB in E (Prob. 1). WithE as centre, and a radius equal to EA, draw a circle cutting thecircle FKG in the points F and G. Join AF and AG, cuttingthe given circle PCO in 0 and…
Geometrical drawing
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