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 13
... centre of our solar system . Among these stars are the Moon , Venus , Mars , Jupiter , and many others . We might call celestial light starlight ; but the light from the great star , the sun , is so much brighter than the light of the ...
... centre of our solar system . Among these stars are the Moon , Venus , Mars , Jupiter , and many others . We might call celestial light starlight ; but the light from the great star , the sun , is so much brighter than the light of the ...
Página 19
... centre 8 inches from the bottom of the board . In the first drawing this hole can be seen at B , and in the second drawing it is shown by dotted lines at B. On one side of the board screw two iron brackets , using brackets measuring 14 ...
... centre 8 inches from the bottom of the board . In the first drawing this hole can be seen at B , and in the second drawing it is shown by dotted lines at B. On one side of the board screw two iron brackets , using brackets measuring 14 ...
Página 24
... centre , and , with a knife , cut a hole in the card just the size of the coin . Then fasten this , with pins or tacks , over the opening in the heliostat . We have now a slender beam of light in a dark room . Walk about and study it ...
... centre , and , with a knife , cut a hole in the card just the size of the coin . Then fasten this , with pins or tacks , over the opening in the heliostat . We have now a slender beam of light in a dark room . Walk about and study it ...
Página 25
... centre of the piece of cardboard is the small hole where the light enters the room . A boy is holding one end of a long piece of linen thread just at the bottom of the hole in the FIG . 3 . card , and another boy has drawn the thread ...
... centre of the piece of cardboard is the small hole where the light enters the room . A boy is holding one end of a long piece of linen thread just at the bottom of the hole in the FIG . 3 . card , and another boy has drawn the thread ...
Página 50
... centre of the opening , and then , while facing a window or a bright lamp , look through the tube with one eye , and you will see a spot of light surrounded by a number of beautiful rings . Here we have another example of multiplied re ...
... centre of the opening , and then , while facing a window or a bright lamp , look through the tube with one eye , and you will see a spot of light surrounded by a number of beautiful rings . Here we have another example of multiplied re ...
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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