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 466
e, with the direction of light, beinggiven, to determine the shadotv on the HP. Pig. 248. Let D and D be the projections of the cube, and E and Ethe projections of a given ray of light. Draw lines from the points a, c, and 5, parallel to the rayE, till they meet XY in the points A, C, and B. Draw… … Fig. 248. The two sides of the cube turned away from the light, asab and Ic, are said to be in shade. ORTHOGONAL PROJECTION. In the preceding chapter {Horizontal Projection) it has beenshown how all the dimensions of an object can be determinedfrom one of its projections, ^dz. a plan, providing we…
Geometrical drawing
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