Light: A Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Light : for the Use of Students of Every AgeD. Appleton and Company, 1877 - 112 páginas |
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551 Broadway angle of incidence appear Balfour Stewart beam of light beam of reflection beam of sunlight beautiful black mirror block of wood blue bright candle centi centre circle cloth color color-top 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 moves light passes look looking-glass magic lanterns ment metres mirror mucilage picture piece plano-convex lens point of incidence postal-card Prof rays red square reflected light refraction represents ring screen shade shadow sheet shelf shine side slender beam slide slit smoke source of light spot of light square stars straight surface things top spin total reflection violet wall water-lens window yellow