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2
89.
The variety of colour in objects cannot be discerned at a great
distance, excepting in those parts which are directly lighted up by
the solar rays.
2
90.
As to the colours of objects: at long distances no difference is
perceptible in the parts in shadow.
2
91.
OF THE VISIBILITY OF COLOURS.
Which colour strikes most? An object at a distance is most
conspicuous, when it is lightest, and the darkest is least visible.
An exceptional case.
2
92.
Of the edges [outlines] of shadows. Some have misty and ill defined
edges, others distinct ones.
216
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