The geography of the heavens, and class-book of astronomy: (1858)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 299
LIGHT PROCEEDING FROM WATER. B … 639. When light passesobliquely from a denserto a rarer medium, asfrom water into air, it isrefracted from a perpen-dicular towards a horizon-tal. Here the lamp A shines upthrough water into air. The raythat strikes the surface perpen-dicularly passes on to B withoutoeing refracted; but the other…
Constellations · Stars
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