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 246
nst come on these fourlines, and are found by dropping lines at right angles to XYfrom the corresponding points in the elevation. Problem 19. To project a hexahedron or cube with edges 3|- long, resting on oneedge 07i the H.P., and its base malcing an angle of 22° withit; the side nearest the V.P.… … Fig. 29. Fig. 30. Below XY draw the line ef If from it. Draw the lines bb, ccand dd at right angles to XY. Make eb and fd each equal toab, and join bd; cc cuts ef in g. Join eg. Q 226 SOLID GEOMETRY Problem 20. To project the same solid with its edge still resting on the H.P. andforming the same…
Geometrical drawing
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