Jopling, Joseph, Gladwin, George, fl. 1821-1838 · London : M. Taylor · leaf 40
34 ISOMETR1CAL PERSPECTIVE. Fig. 44. Fig. 45. I l … projection, in the direction ab or cd, at an angle of 35°. Both diagonals, as ad and be, of each inclined diagonal plane, make each an angle of 20° with the plane of pro¬ jection. Thus, while one of the diagonals of the cube is perpendicular to the plane of projection, each of the other three…
Axonometric projection · Perspective
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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