Jopling, Joseph, Gladwin, George, fl. 1821-1838 · London : M. Taylor · leaf 89
83 ISOMETRICAL PERSPECTIVE. The several diameters of the ellipse, being the repre¬ sentations of lines which are all of the same length (the diameters of the circle), they are scales of proportions by which any lines in those directions, or parallel to them, may be measured. Fig. 160. … Fig. 161 is the plan of a cylindrical ring on a pedestal of two steps. Fig. 162 is an elevation of the same. Fig. 163, section of the cylinder and part of the pe¬ destal. The line a b is the direction of the plane of pro¬ jection. Fig. 164 is an isometrical projection of half the ring and pedestal,…
Axonometric projection · Perspective
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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