Chap. CCXXIII.—What Surface will shew most perfectly its true Colour.
That opake body will shew its colour more perfect and beautiful, which has near it another body of the same colour.
Chap. CCXXIII.—What Surface will shew most perfectly its true Colour.
That opake body will shew its colour more perfect and beautiful, which has near it another body of the same colour.
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