Volume Volume1\Perspective of Colour and Aerial
Entry# 292.
Contents: Vol. 1 | Vol. 2
Of the edges outlines of shadows. Some have misty and ill defined
edges, others distinct ones.
No opaque body can be devoid of light and shade, except it is in a
mist, on ground covered with snow, or when snow is falling on the
open country which has no light on it and is surrounded with
darkness.
And this occurs only in spherical bodies, because in other bodies
which have limbs and parts, those sides of limbs which face each
other reflect on each other the accidental hue and tone of their
surface.
An experiment.
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