The artists repository and drawing magazine: exhibiting the principles of the polite arts in their various branches (3.1789)

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at once; but after those relating to one object
have been brawn with the pencil, and the re-
quisite parts inked in, the pencil lines may be
dismifled. In some cases it is scarce necessary
to draw lines at all, but by laying the edge of a
ruler from point to point, so much of that line
may betaken as occasion requires.
Nor would I advise my friends to draw by
the process of perspedtive, every minute particu-
lar in a composition, every ornament of a
moulding, or every inequality of furface : The
principal lines and spaces, if justly inserted,
will regulate the inferior and trissing objedts
are not worth the time and trouble they waste.
Be it always remembered, that the utility of
perspedtive is to deceive the eye of a spec-
tator ; and surely an eye and a hand accuflomed
to inspedt and to operate by judicious princi-
ples, whose intelligence arises from system-
atic knowledge, will be very adequate to
such deception; always supposmg, that the
objects in question have been well understood,
and that praTice has imparted a facility in
their delineation; and indeed, I may justly as-
sert, that many objeds are with more ease and
readiness delineated from their originals by an
accurate hand, than by the rules of perspedtive,
of which the capitals of columns, especially of
Corinthian
'2