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 189
his line. i6S PRACTICAL PLANE GEOMETRY Peoblem 194.To drctW a trochoid. Let AB be the director, and ;p the generator outside therolling circle D, but to revolve with it. Divide the circle Dinto any number of equal parts, say twelve (Prob. 14). Throughthe centre of the circle draw a line parallel to… … Fig. 304. produce the divisions in circle D till they meet it in the pointsr, G, H, K, L, and M, and from these points draw lines parallelto AB. With the points C, J^, 0, P, Pt, S, T, V, and W, and a radiusequal to Gp, set off the points a, 6, c, d, e, f, g, and h on theparallels drawn from the…
Geometrical drawing
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