Jopling, Joseph, Gladwin, George, fl. 1821-1838 · London : M. Taylor · leaf 86
80 XSOMETRICAL PERSPECTIVE. Fig. 155 is the exterior representation of a semi-globe> the plane of the section being an isometrical plane. Fig. 154. Fig. 155. Fig. 156 is the interior representation of half a hollow globe. If fig. 155, be placed on fig. 156, a complete globe would be represented.… … Fig. 157 represents a hollow globe, with one quarter cut out by a horizontal and a vertical isometrical plane. The sections of a globe, as represented in these figures, are all isometrical ellipses, or portions thereof. When the Isometrical Diameters of the Representation of a Circle are given , to…
Axonometric projection · Perspective
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