Lange, David C. (David Christoph) · New York, John Wiley & sons, inc.; [etc., etc.] · leaf 107
a curved line, which is the reciuired shade-line. The procedure in finding the Shades and Shadows inFig. 49, is the same, except that the circumscribed linesare not parallel to the surface receiving the shadow. 35. The Method of Circumscribing Surfaces consists incircumscribing the surface casting… … Tonic Cap. PRINCIPLES OF SHADES AND SHADOWS 95
Shades and shadows · Geometry, Descriptive
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