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 376
lan and elevationof the section. Construct the sectional area ABCDEF on the V.P., asdescribed in Prob. 129. SECTIONS OF SOLIDS, ETC. 355 Peoblem 133. To project a section through a right vertical cone: the cuttingplane to he perpendicular to the V.P. ; to he inclined at anangle of 45° to the axis… … Fig. 162. through the divisions on DE draw lines parallel to the base ofthe cone. The plan of the section is determined by first finding asuccession of points in the curve, and then drawing a fair curvethrough them. We will take the points hh as an example. 356 SOLID GEOMETRY With C as centre, and…
Geometrical drawing
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