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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


Page 125

                                  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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