Chapman, J.G. (John Gadsby), 1808-1889. / The American drawing-book: a manual for the amateur, and basis of study for the professional artist: especially adapted to the use of public and private schools, as well as home instruction.
(1870 [1873 printing])
Chapter VI. Perspective--its principles, rules, and practical application., pp. 125-168
CHAPTER VI. PERSPECTIVE-ITS PRINCIPLf~S, RULES, AND PRACTICAL APPLICATIONM ~>~2) ERSPECTIVE is an art which de- velops the principles, and fixes, by established and certain rules, the practical methods of representation of that diminution of ob- jects to the eye, in proportion as they are more or less remote from the observer, which is so evident to all-an art, without which the draughtsman must for ever wander in uncertainty and error, while in its knowledge he secures a faithful and unerring guide. To all, whose occupations may be in any w~y connected with design, it is as important an auxiliary as to the artist it is indispensable. Apart from its importance in a practical view, its knowledge may justly be regarded as worthy of high consideration in the purposes of general education; for, surely, the design of education 123
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