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 27
... drum - skin of the ear . These to - and - fro motions may be given to the air by a distant body , like a string of a violin . The string moves to and fro , that is , it vibrates . These vibrations of the string act on the bridge of the ...
... drum - skin of the ear . These to - and - fro motions may be given to the air by a distant body , like a string of a violin . The string moves to and fro , that is , it vibrates . These vibrations of the string act on the bridge of the ...
Página 28
... drum - skin of the ear is a jointed chain of three little bones . The one , H of Fig . 4 , attached to the drum - skin , is called the hammer ; the next , A , is called the anvil ; the third , S , has the exact form of a stirrup , and ...
... drum - skin of the ear is a jointed chain of three little bones . The one , H of Fig . 4 , attached to the drum - skin , is called the hammer ; the next , A , is called the anvil ; the third , S , has the exact form of a stirrup , and ...
Página 29
... drum - skin of the ear . The latter , being elastic , moves in and out with the air which touches it . Then this membrane , in its turn , pushes and pulls the little ear - bones 500 times in a second . The last bone , the little stirrup ...
... drum - skin of the ear . The latter , being elastic , moves in and out with the air which touches it . Then this membrane , in its turn , pushes and pulls the little ear - bones 500 times in a second . The last bone , the little stirrup ...
Página 91
... drum - skin of the ear , moves forward and then backward , and forces the drum - skin in and then out . This swinging motion is con- veyed to the fibres of the auditory nerve , and causes that sensation called sound . But we have seen ...
... drum - skin of the ear , moves forward and then backward , and forces the drum - skin in and then out . This swinging motion is con- veyed to the fibres of the auditory nerve , and causes that sensation called sound . But we have seen ...
Página 105
... disk , four equal sound - pulses ; and as two of these are condensations , and two are rarefactions , they mutually neutralize each other , and the drum - skin of the ear remains at INTERFERENCE OF SONOROUS VIBRATIONS . 105.
... disk , four equal sound - pulses ; and as two of these are condensations , and two are rarefactions , they mutually neutralize each other , and the drum - skin of the ear remains at INTERFERENCE OF SONOROUS VIBRATIONS . 105.
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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.