A guide to pictorial perspective : with numerous illustrations (1851)
Green, Benjamin Richard, 1808-1876 · London : George Rowney and Co. · leaf 56
ould assume whenbrought near the level of the eye, its width contracting,and the curvature of the ellipsis at the near and distantparts approximating to straight lines. The Bird-cage being an object usually seen at someelevation would present an appearance the reverse to thatof the Table, the under… … ARCHES. 35 Tower furnishes an example of circular lines situate bothabove and below the horizontal line, the curvature ofwhich we find gradually disappearing as they approach,and becoming rounder and fuller as they recede from it.In round towers, where no roof is visible, it is of importanceto keep…
