Jopling, Joseph, Gladwin, George, fl. 1821-1838 · London : M. Taylor · leaf 58
52 1 SOMETRICAL PERSPECTIVE. Fig. 88 shows the plan of a roof with three gables, two valleys, and a flat. The dotted lines on the top of fig. 89 Fig. 89. Fig. 88. represent the plan as it would appear on a plane parallel with the ridge. Perpendiculars from the several angles of this plan are also… … valley, and a flat. In a similar way to the last, the plan of this is represented on a plane parallel with the ridge at
Axonometric projection · Perspective
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
