The rudiments of colours and of colouring : with the nature of pigments for the use of decorative artists, painters, etc. (1870)
Field, George, 1777?-1854, Mallet, Robert · London : Strahan · leaf 18
those which are recognisable as heat, and others which, though invisible and in- capable of being felt, yet exist and are active in producing chemical change. The first of these, light colourless to the eye, may be made to convey to us the additional sensa- tion of colour by either refraction or by… … Fig. 1. Thus in the vertical section of an empty rectan- gular box. Fig. 1, upon which the light of the sun s t shines obliquely over the top edge at leaving all that portion to the left of t ort bnin shadow, s t and h being in one straight line, marking the boundary of the cut-off sunshine. Now if…
Color in art · Painting
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