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 124
required section. But we require its trueshape. To get this, we may construct or revolve the figure into the H.P., as shown in the figure, which should by now speak for itself. Note.—Of course, both the plan and true shape are ellipses. It will occur to you that these figures could have been drawn… … 106 INDUSTRIAL DRAWING AND GEOMETRY 190. Third Case : By a Plane parallel to its Side and I from it.—Commence by drawing the projections, as before (Fig. 313). Aline parallel to the side n\ and I from it will represent the plane, cutting the cone from ?«,« to </ in elevation; and by dividing…
Mechanical drawing · Geometrical drawing
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