DOI Page / Citation link:
https://doi.org/10.11588/diglit.19811#0027
16 Of D R A W I N G.
dows, always leave them unsinish'd. By this artful
Negligence you discover your own Modesty, and at
the same time your ftriit Regard to the Imitation os
Nature.
All allow, that the Air is clearer, more subtle, and
transparent, the farther it is remov'd from the Earth ;
upon which account, the upper Parts os Objects that
appear above us,, and are seen at some confiderable
Distance, are more visible and conspicuous than thofe
that are under: For the visual Rays, whereby we
discern the latter, journey through a long Track os
gross and dense Air ; but the Rays, by which we
view the former, though they begin in a thick and
foggy Air on the Side os the Eye; yet, on the Side
of the Object, they terminate in a much clearer, and
more subtle Air. The surther they remove from the
Eye ; they become siner and siner.
In drawing Landskips, therefore, you muft always
make your Mountains less clear at the Bottom than
the Top; and the fame Rule muft be obferv'd as to
Churches, and other high Buildings: The greater
Diftance they are fuppos'd to be at, the clearer always
rriuft their Tops appear j and the loftier they
are, their Forms muft in proportion be more con-
fpicuous and diftmct.
"Objects that are neareft the Eye, and placed in the
Front of the Picture, muft be more sinifh'd, and
more -bold, than thofe supposed to be at fome Di*
siance from us.
-As to Reflexes of Light on clear and tranfparent
B&dielj whole Sursaces are moderately denfe and po-
(ifh'd, a Ray of Light that thus ftrikes upon thefe
liodies, reverberates, or rebounds, liks a Tennis-bail,
jnd reflects upon the iivft Body that ftands in its
Way.
The Sursaces os dense Bodies are surrounded with
Light and Shadows, whofe Qualities are widely
diftant.
Thereare two Sorts or Kinds os Lights, namely,
Primitive,. ..and Derivitive. Primitive Light is that
. . ,which
dows, always leave them unsinish'd. By this artful
Negligence you discover your own Modesty, and at
the same time your ftriit Regard to the Imitation os
Nature.
All allow, that the Air is clearer, more subtle, and
transparent, the farther it is remov'd from the Earth ;
upon which account, the upper Parts os Objects that
appear above us,, and are seen at some confiderable
Distance, are more visible and conspicuous than thofe
that are under: For the visual Rays, whereby we
discern the latter, journey through a long Track os
gross and dense Air ; but the Rays, by which we
view the former, though they begin in a thick and
foggy Air on the Side os the Eye; yet, on the Side
of the Object, they terminate in a much clearer, and
more subtle Air. The surther they remove from the
Eye ; they become siner and siner.
In drawing Landskips, therefore, you muft always
make your Mountains less clear at the Bottom than
the Top; and the fame Rule muft be obferv'd as to
Churches, and other high Buildings: The greater
Diftance they are fuppos'd to be at, the clearer always
rriuft their Tops appear j and the loftier they
are, their Forms muft in proportion be more con-
fpicuous and diftmct.
"Objects that are neareft the Eye, and placed in the
Front of the Picture, muft be more sinifh'd, and
more -bold, than thofe supposed to be at fome Di*
siance from us.
-As to Reflexes of Light on clear and tranfparent
B&dielj whole Sursaces are moderately denfe and po-
(ifh'd, a Ray of Light that thus ftrikes upon thefe
liodies, reverberates, or rebounds, liks a Tennis-bail,
jnd reflects upon the iivft Body that ftands in its
Way.
The Sursaces os dense Bodies are surrounded with
Light and Shadows, whofe Qualities are widely
diftant.
Thereare two Sorts or Kinds os Lights, namely,
Primitive,. ..and Derivitive. Primitive Light is that
. . ,which