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 83
... blue glass behind the flask , and the stream of water will turn green or blue , and present a most singular appearance . Hold a goblet in the stream , " and it will overflow with liquid light . Flashes and sparkles of fire will appear ...
... blue glass behind the flask , and the stream of water will turn green or blue , and present a most singular appearance . Hold a goblet in the stream , " and it will overflow with liquid light . Flashes and sparkles of fire will appear ...
Página 89
... the water , will exhibit geometri- cal figures and strange motions on the screen ; and a few drops of indigo or carmine ink will color the screen blue or red , and make an excellent background REFRACTION OF LIGHT . 89.
... the water , will exhibit geometri- cal figures and strange motions on the screen ; and a few drops of indigo or carmine ink will color the screen blue or red , and make an excellent background REFRACTION OF LIGHT . 89.
Página 94
... blue , in- digo , and violet . Some people count ten , and call them red , orange , yellow , yellowish - green , green , bluish - green , ultramarine - blue , indigo , violet , and lavender . All these colors , and the countless shades ...
... blue , in- digo , and violet . Some people count ten , and call them red , orange , yellow , yellowish - green , green , bluish - green , ultramarine - blue , indigo , violet , and lavender . All these colors , and the countless shades ...
Página 97
... blue , from greenish - blue to deep indi- go . It is thought that , when we see a red light , cer- tain nerves in the eye are affected , and convey a peculiar sensation to the brain , that we call red . These nerves are sensitive to red ...
... blue , from greenish - blue to deep indi- go . It is thought that , when we see a red light , cer- tain nerves in the eye are affected , and convey a peculiar sensation to the brain , that we call red . These nerves are sensitive to red ...
Página 98
... blue . In the same manner , if red , green , and violet light enters the eye , all the nerves are excited at once , and we see not three colors , but one , which is white . Purple . Red . Green . Violet . Yellow . Blue . White . FIG ...
... blue . In the same manner , if red , green , and violet light enters the eye , all the nerves are excited at once , and we see not three colors , but one , which is white . Purple . Red . Green . Violet . Yellow . Blue . White . FIG ...
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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