Sound: A Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound : for the Use of Students of Every AgeAppleton, 1878 - 181 páginas |
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Página 23
... screen of white cotton cloth , or sheet , in front of the lan- tern , and from 15 to 40 feet ( 4.5 to 12.2 metres ) distant . On this screen will appear a circle of light projected from the lantern . Get a piece of smoked glass , and ...
... screen of white cotton cloth , or sheet , in front of the lan- tern , and from 15 to 40 feet ( 4.5 to 12.2 metres ) distant . On this screen will appear a circle of light projected from the lantern . Get a piece of smoked glass , and ...
Página 45
... screen a white spot on a dark ground , moving with precisely the motion of a pendulum . BLACKBURN'S DOUBLE PENDULUM . EXPERIMENT 13. - Let us return to our sand - pendulum . We have examined the vibrations of a single pendulum , let us ...
... screen a white spot on a dark ground , moving with precisely the motion of a pendulum . BLACKBURN'S DOUBLE PENDULUM . EXPERIMENT 13. - Let us return to our sand - pendulum . We have examined the vibrations of a single pendulum , let us ...
Página 51
... screen . curve . i EXPERIMENTS IN WHICH WE COMBINE THE MOTIONS OF TWO VIBRATING RODS . We have just seen how the double pendulum combines into one movement the motions of two pendulums swing- ing at right angles to each other . Our ...
... screen . curve . i EXPERIMENTS IN WHICH WE COMBINE THE MOTIONS OF TWO VIBRATING RODS . We have just seen how the double pendulum combines into one movement the motions of two pendulums swing- ing at right angles to each other . Our ...
Página 53
... screen . go It is absolutely necessary for the success of these ex- periments that the vibrating rods should be fastened to bodies which are heavy and firm , and do not vibrate when the rods are set in motion . Boxes A and B of Fig . 16 ...
... screen . go It is absolutely necessary for the success of these ex- periments that the vibrating rods should be fastened to bodies which are heavy and firm , and do not vibrate when the rods are set in motion . Boxes A and B of Fig . 16 ...
Página 54
... screen S. Now pull toward you the rod C , and let it go . At once the bright circle on the screen is drawn out into a vertical line . As the width of the swings of the rod be- come less and less , the line becomes shorter and shorter ...
... screen S. Now pull toward you the rod C , and let it go . At once the bright circle on the screen is drawn out into a vertical line . As the width of the swings of the rod be- come less and less , the line becomes shorter and shorter ...
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Términos y frases comunes
A-fork ball beats block blow bottle brate cardboard cause centi centimetres centre CHAPTER circle CO-VIBRATION compound sound cone cork curve diameter disk divide dots double pendulum draw drum-skin edge EXPERIMENT fastened feet figure flame funnel gamut give glass tube harmonic harmonic series heliostat holes horizontal inches length loudest ment metres millimetres mirror monic motion mouth move musical musical scale nodal line number of vibrations octave paper periments piece pipe piston pitch plate prongs pull rarefactions reflected relative numbers resonant tube resound rest rotator rubber tube sand screen screw sensation shown in Fig side silica simple sounds sings siren slide slit sonometer sonorous vibrations sonorous waves sound of 66 square string swing tions trace trumpet tumbler tune tuning-fork turn upright velocity of sound vibrate the fork vibrating body vibrating fork vibrations per second whistle wire wooden
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Página 181 - SOUND : a Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound, for the use of Students of every age.