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 250
lid till they meet the circle in the points m, n, p, q, r,s, t, u, V, and iv, by joining which the plan is completed. In the elevation all the angular points of the solid are atfour distinct levels, viz. X, U, Y, and L. To obtain theselevels we must find the angle the pentagon acUVW (on plan)will… … 230 SOLID GEOMETRY chap. SO take C as centre, and radius CU, and draw an arc UU till itmeets the line uV drawn perpendicularly to UC. Join CU.With C as centre, and radius CV, describe another arc till itmeets CU produced in V. Then VCV is the angle required.Consider VC as the level of the H.P.,…
Geometrical drawing
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