The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 147
ight depend ? What other reason is given, in thenote, why we do not see the heavenly bodies in their true situation? When doesthe refraction of light not affect the appearance of the heavenly bodies! Whydo the heavens appear bright in the day time! 355. What, effect is producedwhen a ray of light… … 356. A lens is a glass, which, according to its pecu-liar form, causes the rays of light to converge to a fo-cus, or disperses them further apart, according to thelaws of refraction. 357. There are various kinds of lenses, named ac-cording to their focus; but they are all to be consider-ed as…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
