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
Resultados 1-5 de 7
Página 21
... 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 marked by dotted lines at J , and through these holes an iron bolt and nut are fitted , so as 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 marked by dotted lines at J , and through these holes an iron bolt and nut are fitted , so as to ...
Página 27
... slips of pine , 4 inches ( 10 centimetres ) long , 3 inches ( 76 FIG . 4 . millimetres ) wide , and inch ( 4 millimetres ) thick . Having made these , get three postal - cards , and lay them flat on a board , one over the other . Just ...
... slips of pine , 4 inches ( 10 centimetres ) long , 3 inches ( 76 FIG . 4 . millimetres ) wide , and inch ( 4 millimetres ) thick . Having made these , get three postal - cards , and lay them flat on a board , one over the other . Just ...
Página 28
... slips , and put the card squarely on one of the wooden blocks and place the slip over it , and tack them both down to the block . This will give us the cards and the picture . When each card is blocks as shown in thus fastened to a ...
... slips , and put the card squarely on one of the wooden blocks and place the slip over it , and tack them both down to the block . This will give us the cards and the picture . When each card is blocks as shown in thus fastened to a ...
Página 70
... slip it inside the tube , and then place the tube in the goblet of water . Hold the goblet in the hand near the eyes , and you can see the paper in the tube through the water . Lower the goblet till you can look down into the water from ...
... slip it inside the tube , and then place the tube in the goblet of water . Hold the goblet in the hand near the eyes , and you can see the paper in the tube through the water . Lower the goblet till you can look down into the water from ...
Página 72
... slip into the box , as shown by the dotted lines in the picture . To keep the glass from sliding out , a tack or brad may be driven in the box at the end of the mirror . Put the heliostat in the window , and bring a full beam of ...
... slip into the box , as shown by the dotted lines in the picture . To keep the glass from sliding out , a tack or brad may be driven in the box at the end of the mirror . Put the heliostat in the window , and bring a full beam of ...
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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