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 379
oints, and then drawing a fair curve throughthem. We will talce the points hh as an example. With the point C on plan as centre, and a radius equal toGH (the semi-diameter of the cone at the level of h), draw arcsintersecting the line DE in the points hb. Draw projectors to 358 SOLID GEOMETRY CHAP.… … Fig. 164. co-ordinate planes, gh would be the plan, and gn the elevationof the section of the cone. To construct the sectional area. Draw the line ng in anyconvenient position parallel to the axis of the cone. Producethe divisions on ng. Take the distance db from plan, and setit off on each side of…
Geometrical drawing
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