Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 338
ELEMENTS OF OPTICS. 329 Ficr. 96. … will begin, and the re-fracted portion will in-crease while the reflectedportion will diminish, tillthe tube B has been turn-ed through an angle equalto 90°, as indicated by thegraduated circle C, on the tube A ; in which position of the reflector, the beam willbe totally refracted. Continuing to…
Mechanics · Acoustics · Optics
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