Lange, David C. (David Christoph) · New York : John Wiley & Sons ; London : Chapman & Hall · leaf 81
(Figs. 25 and 26.) Let ab and cd be straight lines, perpendicular to theH and V Planes respectively, upon which is a series ofmoldings. A plane of light is passed through the lines and theintersection of this plane with the moldings determined.Since the shadow of the line is contained in the line… … Roman Doric Order. PRINCIPLES OF SHADES AND SHADOWS 71
Shades and shadows · Geometry, Descriptive
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