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 20
... 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 , inch ( 12 millimetres ) in diameter , is made in this , as represented in ...
... 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 , inch ( 12 millimetres ) in diameter , is made in this , as represented in ...
Página 21
... 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 marked by dotted lines at J ...
... 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 marked by dotted lines at J ...
Página 27
... millimetres ) wide , and 1 inch ( 37 millimetres ) thick , and saw it into five pieces , each 24 inches ( 64 millimetres ) long . Next make three slips of pine , 4 inches ( 10 centimetres ) long , 3 inches ( 76 FIG . 4 . millimetres ) ...
... millimetres ) wide , and 1 inch ( 37 millimetres ) thick , and saw it into five pieces , each 24 inches ( 64 millimetres ) long . Next make three slips of pine , 4 inches ( 10 centimetres ) long , 3 inches ( 76 FIG . 4 . millimetres ) ...
Página 31
... millimetres ) square ; and to hold the awl in place , the handle FIG . 5 . may be stuck in a mass of wax on the table . The slit in the postal - card should be 1 inch ( 25 mil- limetres ) long and inch ( 7 millimetres ) wide , and ...
... millimetres ) square ; and to hold the awl in place , the handle FIG . 5 . may be stuck in a mass of wax on the table . The slit in the postal - card should be 1 inch ( 25 mil- limetres ) long and inch ( 7 millimetres ) wide , and ...
Página 47
... millimetres ) long and inch ( 1 millimetre ) wide . Then place this card close to the lamp , as in the other experiment , and set up the other card about fifteen inches away from it . table between the two . 41 ) and arrange the cards ...
... millimetres ) long and inch ( 1 millimetre ) wide . Then place this card close to the lamp , as in the other experiment , and set up the other card about fifteen inches away from it . table between the two . 41 ) and arrange the cards ...
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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