The theory of effect : embracing the contrast of light and shade, of colour and harmony (1851)
Bengo, John, Hinckley, C. T · Philadelphia : J.W. Moore · leaf 16
e is contrasted by any other line which isnot parallel to it, and which, if continued, wouldintersect it; thus in Fig. 1., the line A B is a con-trast to C D, because if continued to E, it wouldintersect the line C D. Fig.l. C ^ B A straight line is intersected by any irregular orcrooked line, as… … A straight line is also contrasted by an angle,as in Fig. 3, where the pyramids form a contrastto the straightness of the horizontal line. Fig. 3.
Drawing · Shades and shadows
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Eyn schön nützlich Büchlin vnd Vnderweisung der Kunst des Messens mit dem Zirckel, Richtscheidt oder Linial : zu nutz allen Kunstliebhabern fürnemlich den Malern, Bildhawern, Goldschmiden, Seidenstikern, Steynmetzen, Scheinern auch allen Andern so sich der Kunst des Messens (Perspectiua zü latin gnant) zügebrauchen Lust haben : darin Man auch solche Kunst leichter dan ausz etzlichen hieuorgetruckten Büchern begreiffen vn lernen mag mit vil [i.e., 56] schönen darzü dienenden Figuren (1531)](https://img.insideoutlibrary.com/img/200/ia-eynschnntzlichbc00rodl-78-101.webp)
