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 71
... silica , probably the lightest powder known . Some of this powder you may purchase of Mr. Hawkridge , of Hoboken , New Jersey . Hold the tube in a horizontal posi- tion and blow the whistle . The silica powder springs up into groups of ...
... silica , probably the lightest powder known . Some of this powder you may purchase of Mr. Hawkridge , of Hoboken , New Jersey . Hold the tube in a horizontal posi- tion and blow the whistle . The silica powder springs up into groups of ...
Página 72
... silica is poured into it . The other end is placed in the mouth . Singing into the tube , a note is soon struck which causes the silica to raise itself in groups of vertical plates , separated by places where the powder is at rest , the ...
... silica is poured into it . The other end is placed in the mouth . Singing into the tube , a note is soon struck which causes the silica to raise itself in groups of vertical plates , separated by places where the powder is at rest , the ...
Página 77
... silica into the tumbler , and then hold it horizontally , and vibrate the fork near its opening , observing attentively how the silica powder is acted on by the inclosed vibrating air . EXPERIMENT 45. - Take a piece of thin linen paper ...
... silica into the tumbler , and then hold it horizontally , and vibrate the fork near its opening , observing attentively how the silica powder is acted on by the inclosed vibrating air . EXPERIMENT 45. - Take a piece of thin linen paper ...
Página 180
... silica ... 15 30 34. Glass tube , 3 feet long , 3 inch in diameter .. 10 40. Lovers ' telephone ... 25 64. Two resonant bottles with glass plates . 15 47. Organ pipe A ............ ... 75 54. Geyer's sensitive - flame ..... 1.00 55 ...
... silica ... 15 30 34. Glass tube , 3 feet long , 3 inch in diameter .. 10 40. Lovers ' telephone ... 25 64. Two resonant bottles with glass plates . 15 47. Organ pipe A ............ ... 75 54. Geyer's sensitive - flame ..... 1.00 55 ...
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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 183 - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance
Página 181 - SOUND : a Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound, for the use of Students of every age.