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 6
... clear and sim- ple language describing them , and a free use of the black- board , on which are written the facts and laws which the experiments show - these make the best text - books for beginners in experimental science . Teach the ...
... clear and sim- ple language describing them , and a free use of the black- board , on which are written the facts and laws which the experiments show - these make the best text - books for beginners in experimental science . Teach the ...
Página 7
... clear ; but in this I have failed . If I have , I am sure that the ex- periments themselves are true , honest , and of good report , and will supply all the shortcomings of language , which , even from the best pens , gives but a weak ...
... clear ; but in this I have failed . If I have , I am sure that the ex- periments themselves are true , honest , and of good report , and will supply all the shortcomings of language , which , even from the best pens , gives but a weak ...
Página 23
... clear water , and then place the swinging mirror at an angle of 45 ° . Hang up a large 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 ...
... clear water , and then place the swinging mirror at an angle of 45 ° . Hang up a large 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 ...
Página 30
... clear understanding of the nature of sound . We hope that the student will make these experiments with care , and keenly observe them . EXPERIMENT 3. - At the toy - shops you can buy for a few cents a wooden ball having a piece of ...
... clear understanding of the nature of sound . We hope that the student will make these experiments with care , and keenly observe them . EXPERIMENT 3. - At the toy - shops you can buy for a few cents a wooden ball having a piece of ...
Página 31
... clear ideas of the nature of this pendulous motion . It is the cause of sound . It exists throughout all the air in which a sound may be perceived , and , by the changes in the num- ber , extent of swing , and combinations of these ...
... clear ideas of the nature of this pendulous motion . It is the cause of sound . It exists throughout all the air in which a sound may be perceived , and , by the changes in the num- ber , extent of swing , and combinations of these ...
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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.