Catoptrics

"Catoptrics" in a Sentence (1 examples)

'tis ordinary to see strange uncouth sights by catoptrics; who knows not that if in a dark room the light be admitted at one only little hole, and a paper or glass put upon it, the sun shining will represent on the opposite wall all such objects as are illuminated by his rays?

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Unscramble this word: catoptrics