Elementary perspective arranged to meet the requirements of architects, draughtmen, and students (1913)
Crosskey, Lewes R · London, Backie and son ltd · leaf 131
Pig. 5. A T-square with a segmental head (fig. 5) is also used for working with distantvanishing points. Outside of the drawing, fix on the board a cardboard arc whosecentre is the V.P., and fasten the concave cutting to a T-square or straight-edge.The position of the cardboard arc on the board is… … Fig. 6. The most difficult building to draw in perspective is one with many curvedfeatures. In a crescent-shaped fa9ade (fig. 6) there may not be a single straight lineconverging to a V.P. The perspective view is obtained by assuming the buildingto be intersected by an indefinite number of vertical…
Perspective
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