Light: A Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Light, for the Use of Students of Every AgeD. Appleton, 1877 - 112 páginas |
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Términos y frases comunes
551 Broadway angle angle of incidence appear beam of light beam of reflection beam of sunlight beautiful black mirror block of wood blue bright candle centi centre CHARLES BARNARD circle cloth color color-top critical angle curious dark room diagram diameter direction disk distance dotted lines experiment falls fastened flask focus give gray paper green heliostat hold hole inch 25 millimetres inches 12.7 centimetres index of refraction lamp lantern lens light entering light passes look looking-glass magic lanterns ment metres mirror mucilage piece plano-convex lens point of incidence postal-card Prof projection rays red square reflected light refraction ring screen shade shadow shine shows side slender beam slide slit smoke source of light spot of light square stars straight surface things top spin upright violet wall water-lantern water-lens wide window yellow
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Página 3 - ... recommendation of this handy volume. The illustrations add to its interest and value, and its simplicity, both of design and execution, will commend it to beginners and others seeking information on the subject." From the Philadelphia Press. "It supplies a large number of simple and entertaining experiments on the phenomena of light, that any one can perform with materials that maybe found in any dwelling-house, or that maybe bought for a small sum in any town or city. This actually is philosophy...