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
... . These experiments are to be made with the cheapest and simplest apparatus that the author has been able to devise . I have tried to be plain in giving directions for the con- may struction and use of this apparatus . In my 6 PREFACE .
... . These experiments are to be made with the cheapest and simplest apparatus that the author has been able to devise . I have tried to be plain in giving directions for the con- may struction and use of this apparatus . In my 6 PREFACE .
Página 7
... directions are perseveringly followed . The experiments are num- bered in order up to 130 , so that they may be referred to from this work , and from the other books of the series . Several of the instruments described are new , and ...
... directions are perseveringly followed . The experiments are num- bered in order up to 130 , so that they may be referred to from this work , and from the other books of the series . Several of the instruments described are new , and ...
Página 16
... the same direction . In " Light , " the first book of this series , we have given a de- scription of a simple heliostat ; but , as some of our readers may not have that volume , we here give a short descrip- 1 M A B B N ...
... the same direction . In " Light , " the first book of this series , we have given a de- scription of a simple heliostat ; but , as some of our readers may not have that volume , we here give a short descrip- 1 M A B B N ...
Página 18
... sphere of the heavens appears to revolve once in a day . The knowledge of this motion of the sun ena- bles us to construct an instrument with a movable mirror which will reflect his beams in one direction from sunrise 18 SOUND .
... sphere of the heavens appears to revolve once in a day . The knowledge of this motion of the sun ena- bles us to construct an instrument with a movable mirror which will reflect his beams in one direction from sunrise 18 SOUND .
Página 19
... direction of the polar axis H , then , by simply turning this axis with the sun as he moves in the sky , we can keep his rays constantly reflected in that direction . The dotted line and arrow going from the mirror N to 0 show the direction ...
... direction of the polar axis H , then , by simply turning this axis with the sun as he moves in the sky , we can keep his rays constantly reflected in that direction . The dotted line and arrow going from the mirror N to 0 show the direction ...
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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.