A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 55
he eye of the spectator. 22. The distance of the picture is that from theeye to the centre of the picture. The distanceof a vanishing point is the distance from the eyeof the spectator to that point where the converg-ing lines meet, and, after gradually diminishingall the objects which come within… … -I ^ i-ri
Encyclopedias and dictionaries · Aeronautics
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