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 7
... measuring Light CHAPTER III . Reflection of Light 38 Experiment in Multiple Reflection . 44 Second Experiment in Multiple Reflection Experiment with Mirror on Pulse . Experiment with Glass Tube Experiments in Dispersed Reflection ...
... measuring Light CHAPTER III . Reflection of Light 38 Experiment in Multiple Reflection . 44 Second Experiment in Multiple Reflection Experiment with Mirror on Pulse . Experiment with Glass Tube Experiments in Dispersed Reflection ...
Página 19
... measuring 14 inches ( 35.5 centimetres ) by 12 inches ( 30.5 centimetres ) . These brackets are placed one on each side of the hole in the board , and are placed 14 inches ( 35.5 centimetres ) apart , and with the short arm of the ...
... measuring 14 inches ( 35.5 centimetres ) by 12 inches ( 30.5 centimetres ) . These brackets are placed one on each side of the hole in the board , and are placed 14 inches ( 35.5 centimetres ) apart , and with the short arm of the ...
Página 27
... penholder , or other slender stick , putting the eye - end into the wood , and thus making a needle- pointed awl . Measure off one - half inch from one end of the top postal - card , and with the. THE SOURCES OF LIGHT . 27.
... penholder , or other slender stick , putting the eye - end into the wood , and thus making a needle- pointed awl . Measure off one - half inch from one end of the top postal - card , and with the. THE SOURCES OF LIGHT . 27.
Página 30
... measure out vast angles in the sky ; and the third , to lay the courses of his ship in safety . Each employs these laws with cer- tainty and safety , because they are fixed and never change . EXPERIMENT WITH SHADOWS . This picture ...
... measure out vast angles in the sky ; and the third , to lay the courses of his ship in safety . Each employs these laws with cer- tainty and safety , because they are fixed and never change . EXPERIMENT WITH SHADOWS . This picture ...
Página 34
... light , is often stated as follows : The illumination of a given sur- face varies in brightness inversely as the square of its distance from the source of light . EXPERIMENT IN MEASURING LIGHT . This picture represents a sheet 34 LIGHT .
... light , is often stated as follows : The illumination of a given sur- face varies in brightness inversely as the square of its distance from the source of light . EXPERIMENT IN MEASURING LIGHT . This picture represents a sheet 34 LIGHT .
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Términos y frases comunes
17.8 centimetres angle of incidence Animals appear beam of light beam of reflection beam of sunlight beautiful black mirror block of wood blue BOND STREET bright candle centi centre CHARLES BARNARD circle cloth color color-top critical angle curious dark room diagram diameter direction disk distance dotted lines experiment falls fastened flask focus give glass gray paper heliostat hold hole Illustrations inch 25 millimetres inches 15.2 centimetres index of refraction lamp lantern light entering light passes look looking-glass magic lanterns metres mirror mucilage phenomena picture piece plano-convex lens point of incidence postal-card rays red square reflected light refraction represents ring screen shade shadow sheet shelf shine side slender beam slide slip slit smoke spot of light square stars straight surface things top spin tube wall water-lens wide window yellow
Pasajes populares
Página 3 - ... recommendation of this handy volume. The illustrations add to its interest and value, and its simplicity, both of design and execution, will commend it to beginners and others seeking information on the subject." From the Philadelphia Press. "It supplies a large number of simple and entertaining experiments on the phenomena of light, that any one can perform with materials that maybe found in any dwelling-house, or that maybe bought for a small sum in any town or city. This actually is philosophy...