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 457
at of the diagonal of a cube, as theangle aha, Pig. 233. This direction hasspecial advantages, viz. it makes equalangles with each co-ordinate plane, andits projections on the H.P. and V.P. areeach 45° with XY. ab is the H. projec-tion, and ah the V. projection of the line ah (Fig. 233). In all… … Fig. 234. plane on which the shadow is cast. Fig. 234 is the plan of arectangular prism with its shadow cast on the H.P. The length of the line ctb determines the heightof the prism; so from a single pro-jection of this solid all its dimensionscan be ascertained. The diagonal cb (Fig. 233) is…
Geometrical drawing
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