Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 410
before Syracuse by means of such mirrors.Bufifon constructed burning mirrors of such power as to prove that the featattributed to Archimedes was not impossible. The mirrors were made of anumber of silver plane mirrors about 8 inches long by 5 broad. Theycould be turned independently of each other… … 421. Reflection in a vacuum.—Heat is reflected in a vacuum as well asin air, as is seen from the following experiment (fig. 382), due to Sir Hum-hpry Davy. Two small concave reflectors were placed opposite each otherunder the receiver of an air-pump. In the focus of one was placed a…
Physics
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