The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 133
e distance, without limit. Illustration. In fig. 94 E Fig. 94 the shadow of the object,A, increases in size at thedifferent distances, B, C,D, E, or. in other words,it constantly diverges. In estimating the effectof shadows, we must con-sider the apparent not thereal dimensions of the lu-minous… … * A3 the degree of light and darkness can be estimated only by comparison,the strongest light will appear to produce the deepest shadow. Hence, a totaleclipse of the sun occasions a more sensible darkness than midnight, because it isimmediately contrasted with the strong light of day. Why are…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
