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 170
b. 1), andthrough S draw a line perpendicular to AB, IVhere this linecats the circle are the points of contact for the transverse commontangents, which can be drawn through C. Peoblem 175. To draw an irregular polygon similar to a given polygon, tut withsides tvjo-thirds the length of the given… … Fio;. 278. Draw lines from all the angles of the polygon to A. Make AKtwo-thirds of AD (Prob. 10), and divide all the other lines inthe same proportion, which will give the points L, M, IST, 0, andH. ■ Join NM, ML, LK, KH, and HO, which will give thepolygon required. Note.—The figures are similar,…
Geometrical drawing
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