Jopling, Joseph, Gladwin, George, fl. 1821-1838 · London : M. Taylor · leaf 48
oid. Fig. 63. Fig. 64. u It may be proper to notice that the representations of the sections of a cube thus cut at 30° (figs. 61,62, and 63), are not right angled parallelograms, as those are which are represented in figs. 44, 48, 50, 51, and 52, which are cut at an angle of 45°. In figs. 61, 62,…
Axonometric projection · Perspective
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