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

Page: 72
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[ n 1
by it, is usually (and with propriety) considered
as infinite. Its rays, therefore, are not divergent,
but parallel, and alike; and this, not only
during the radiance of noon, but equally pa-
rallel are the beams of<c grateful evening mild.”
Taking their ideas from circumslances
of artificial light which are familiar, somehave
thought that the sun may enlighten us from be-
low’, as does a candle when placed on the
ground, though our distance from it be con-
siderable : and certain art ills, not Sufficient-
ly attentive, have enlightened their figures un-
der the eye-brows, chin, &c. in evening pieces:
but that it ought not to be so, is demonstrable j
for since the horizon, which is the height of the
eye (how high soever that eye be Situated), is
likewise the boundary of the Solar rays •, it is
evident that it is parallel to the eye. And it
may further be observed, that were the horizon
Sufficiently defined, all the figure below the eye
would be in demi-tint.
It Scarce needs remark, that the altitude os
the Sun in the heavens, according to the time
of the day, and according likewise to the sea-
Son of the year, produces variations of Sha-
dow : for in the morning, as in the evening,
the Shadows it occasions are infinite 3 whereas,
at noon, they deScribe a certain angle with the
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