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 19
... shown in the figure . This movable mirror is fastened to the board either by strings or by elastic bands , which go around the ends of the board and mirror . The mirror should be of silvered glass , not of common looking - glass . It is ...
... shown in the figure . This movable mirror is fastened to the board either by strings or by elastic bands , which go around the ends of the board and mirror . The mirror should be of silvered glass , not of common looking - glass . It is ...
Página 20
... shown in Figs . 1 and 2 , and the mirror in Fig . 1 is placed at the proper tilt for those days . In Fig . 2 the tilt of the mirror is also given for the days of the summer and winter solstices . As we go north , say to Boston , the ...
... shown in Figs . 1 and 2 , and the mirror in Fig . 1 is placed at the proper tilt for those days . In Fig . 2 the tilt of the mirror is also given for the days of the summer and winter solstices . As we go north , say to Boston , the ...
Página 35
... shown in the figure , may be used instead of the tin cone . With an awl drill three small holes through the upper edge of the bob at equal distances from each other . To mount the pendulum , we need about 9 feet ( 271.5 centimetres ) of ...
... shown in the figure , may be used instead of the tin cone . With an awl drill three small holes through the upper edge of the bob at equal distances from each other . To mount the pendulum , we need about 9 feet ( 271.5 centimetres ) of ...
Página 44
... shown in Fig . 11. Move the card over the trace , in the direction of the line A B , and you will see the little dot swing backward and forward in the slit , and exactly re- peating the motions of the pendulum or vibrating rod . A B FIG ...
... shown in Fig . 11. Move the card over the trace , in the direction of the line A B , and you will see the little dot swing backward and forward in the slit , and exactly re- peating the motions of the pendulum or vibrating rod . A B FIG ...
Página 52
... shown by the curved figure produced ; so that , knowing the figure , we can tell the relative number of vibrations of each pendulum , and , from knowing the latter , we can pre- E B FIG . 16 . dict the curved figure that the double ...
... shown by the curved figure produced ; so that , knowing the figure , we can tell the relative number of vibrations of each pendulum , and , from knowing the latter , we can pre- E B FIG . 16 . dict the curved figure that the double ...
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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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