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 4
... manner of their production , may be briefly stated . For sev- eral years Professor Mayer has been studying how to give to every teacher and scholar the knowledge of the art of experimenting . To accomplish this very desir- able object ...
... manner of their production , may be briefly stated . For sev- eral years Professor Mayer has been studying how to give to every teacher and scholar the knowledge of the art of experimenting . To accomplish this very desir- able object ...
Página 9
... manner of useful tools and machinery , planting seeds and reaping harvests , and doing many other works and labors according to certain fixed rules that they found printed in books , or that they learned of others , or that they ...
... manner of useful tools and machinery , planting seeds and reaping harvests , and doing many other works and labors according to certain fixed rules that they found printed in books , or that they learned of others , or that they ...
Página 48
... manner the same thing that we saw in the last experiment . EXPERIMENT WITH MIRROR ON PULSE . Get a small bit of looking - glass , about an inch ( 25 millimetres ) square , and some wax . Warm the wax in the hand till it is soft , and ...
... manner the same thing that we saw in the last experiment . EXPERIMENT WITH MIRROR ON PULSE . Get a small bit of looking - glass , about an inch ( 25 millimetres ) square , and some wax . Warm the wax in the hand till it is soft , and ...
Página 49
... manner . If any of the persons whose pulse - beats are thus exhibited get excited , laugh at the exhibition , or are in any way disturbed , the change in the move- ment of their pulse will be quickly repeated on the wall , where a ...
... manner . If any of the persons whose pulse - beats are thus exhibited get excited , laugh at the exhibition , or are in any way disturbed , the change in the move- ment of their pulse will be quickly repeated on the wall , where a ...
Página 52
... polished metals , ice , and all substances having very smooth surfaces , reflect light in one direction . The linen cuff also reflected light , but apparently in a very using . different manner from the mirrors we have 52 LIGHT .
... polished metals , ice , and all substances having very smooth surfaces , reflect light in one direction . The linen cuff also reflected light , but apparently in a very using . different manner from the mirrors we have 52 LIGHT .
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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