Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 89
\ c /tl\\ \/ \ \ o / y\ \ W /m K \ … Fig. 219.- -Ellipse, given conjugatediameters. Pig. 220.—Ellipse, by circular arcs. Pig. 221.—Ellipse, by circular arcs. Pig. 222.—Ellipse, by circular arcs. 0. Then with 0 as centre describe the auxiliary semicircle AOB, and divide AB into any number of parts in a, i, c, d, e,f, and fromthese…
Mechanical drawing · Geometrical drawing
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