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 |
Dentro del libro
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Página 13
... round the sun . These give no light of their own , and we can only see them by the reflected light of the great star in the centre of our solar system . Among these stars are the Moon , Venus , Mars , Jupiter , and many others . We ...
... round the sun . These give no light of their own , and we can only see them by the reflected light of the great star in the centre of our solar system . Among these stars are the Moon , Venus , Mars , Jupiter , and many others . We ...
Página 19
... round hole 5 inches ( 12.7 centi- metres ) in diameter , with its 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 ...
... round hole 5 inches ( 12.7 centi- metres ) in diameter , with its 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 ...
Página 20
... round piece , shaped like the figure marked G. This piece must be inch ( 7 millimetres ) thick , 5 inches ( 14 centi- metres ) along the straight side , and with the circular part with a radius of 3 inches ( 7.6 centimetres ) . A hole ...
... round piece , shaped like the figure marked G. This piece must be inch ( 7 millimetres ) thick , 5 inches ( 14 centi- metres ) along the straight side , and with the circular part with a radius of 3 inches ( 7.6 centimetres ) . A hole ...
Página 21
... round , and may be 11 inch ( 32 millimetres ) in diameter . The square part must be large enough to slip over the half - circular piece , G , as is shown at H. A hole , inch ( 12 milli- metres ) in diameter , is cut in the two ends , as ...
... round , and may be 11 inch ( 32 millimetres ) in diameter . The square part must be large enough to slip over the half - circular piece , G , as is shown at H. A hole , inch ( 12 milli- metres ) in diameter , is cut in the two ends , as ...
Página 24
... round , horizontal beam of light will enter the room . When this is done , close all the windows , so as to make the room as dark as possible . To do this , shawls or blankets or enameled cloth will be found useful inside the curtains ...
... round , horizontal beam of light will enter the room . When this is done , close all the windows , so as to make the room as dark as possible . To do this , shawls or blankets or enameled cloth will be found useful inside the curtains ...
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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