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 303
it, hut perpendicidar to the H.P. Fig. 85. Fix the position of point c 2\ below XY. Draw a line per-pendicular to XY, and produce same 3f above it. c is the planor H. trace, and ccV the elevation required. Problem 62. To project a line EF 3 long to the same scale, parallel to the H.P.and 2\ above… … Fig. 85. Peoblem 63. To iDTOJect a line GH 3 long to the same scale, parallel to the V.P.and lY from it, hut inclined to the H.P. at an angle of 60°.Fig. 85. At any point / on XY draw the line gh 3 long, and in-clined to the H.P. at an angle of 60°. Let fall the projectors ggand hh at right angles…
Geometrical drawing
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