Light and shade

Definition and stakes

active 19th century Harry Willson,  The Use of a Box of Colours, in a Practical Demonstration on Composition…

“ The inexhaustible and unceasingly varying beauties of art begin to develope themselves most when the study of Light and Shade commences; and the student is amply recompensed for the time he has devoted to obtaining a knowledge of correctness in outline. It is now that he sees Nature with other and improved vision—with clearer conceptions of her character—in her sunny and joyous revellings, as in her vast and awful sublimity.
Drawing gives form; Colour, its visible quality; and Light and Shade, its solidity.
”
Source: Gutenberg

Robert Kemp Philp,  The Reason Why

“ That which before lay buried in the shade of night is itself now a radiator of the luminous fluid. Mark the genial warmth that comes as the sister of light; then stand by the side of the experimentalist and watch the point on which he directs the shining focus, and in an instant see iron melt and stones run like water, under the fervent heat! Now look upward to the heavens, where the falling drops of rain have formed a natural prism in the rainbow, and shown that the beam of pure whiteness, refracted into various rays, glows with all the tints that adorn the garden of nature. ”
Source: Gutenberg

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