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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Página 101
... gray . Change the proportions , and you will see each time new shades of gray or white . This is a very simple toy , but it serves THE DECOMPOSITION OF LIGHT . 101.
... gray . Change the proportions , and you will see each time new shades of gray or white . This is a very simple toy , but it serves THE DECOMPOSITION OF LIGHT . 101.
Página 102
... gray , will be found at every trial . Red , green , and violet , may be tinted with other colors in the most charming manner , and hours can be filled with amusement and instruction by ex- perimenting with this color - top and its ever ...
... gray , will be found at every trial . Red , green , and violet , may be tinted with other colors in the most charming manner , and hours can be filled with amusement and instruction by ex- perimenting with this color - top and its ever ...
Página 103
... gray . Cover the violet glass so as to shut out all the light , and then make the top spin , and the two spots of red and green will appear on the screen in the form of a yellow ring . In this manner all the effects exhibited by the ...
... gray . Cover the violet glass so as to shut out all the light , and then make the top spin , and the two spots of red and green will appear on the screen in the form of a yellow ring . In this manner all the effects exhibited by the ...
Página 106
... gray paper over it . In a few seconds there will appear on the gray paper a curious image just the size and shape of the red square , but of a bluish - green color . It will grow brighter quickly , and then fade away , leaving nothing ...
... gray paper over it . In a few seconds there will appear on the gray paper a curious image just the size and shape of the red square , but of a bluish - green color . It will grow brighter quickly , and then fade away , leaving nothing ...
Página 107
... middle of a square of orange - colored paper , and then , after looking at the two colors for a mo- ment , hide them both with the gray paper , and the after - image will be blue , with an orange THE DECOMPOSITION OF LIGHT . 107.
... middle of a square of orange - colored paper , and then , after looking at the two colors for a mo- ment , hide them both with the gray paper , and the after - image will be blue , with an orange THE DECOMPOSITION OF LIGHT . 107.
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Términos y frases comunes
15.2 centimetres 551 BROADWAY ALEXANDER BAIN ALFRED MARSHALL 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 color color-top curious dark room diameter disk distance dotted lines experiment fastened flask focus FRANCIS GALTON give glass gray paper green heliostat hole Illustrations inch 25 millimetres inches 12.7 centimetres lamp lantern light entering light passes look looking-glass M. A. Cloth magic lanterns ments metres mirror mucilage phenomena picture piece plano-convex lens point of incidence postal-card Price Prof Professor rays red square reflected light refraction ring SCIENCE screen shade shadow sheet shine side slide slit smoke spot of light square stars surface things top spin tube University of Erlangen violet wall water-lens window yellow