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 30
... observe them . EXPERIMENT 3. - At the toy - shops you can buy for a few cents a wooden ball having a piece of elastic rubber fastened to it . Take out the elastic and lay it aside , as we shall need it in another experiment . Get a ...
... observe them . EXPERIMENT 3. - At the toy - shops you can buy for a few cents a wooden ball having a piece of elastic rubber fastened to it . Take out the elastic and lay it aside , as we shall need it in another experiment . Get a ...
Página 32
... observing is really that of an ordinary pendulum , you will soon prove for yourself to your entire satisfaction ; and here let me say that one principle or fundamental fact seen in an experiment and patiently re- flected on is worth a ...
... observing is really that of an ordinary pendulum , you will soon prove for yourself to your entire satisfaction ; and here let me say that one principle or fundamental fact seen in an experiment and patiently re- flected on is worth a ...
Página 39
... observe , was made in the same time as the sand - line L M was made in Experiment 7 . In Fig . 9 the length L M , of two seconds , is divided into 16 parts ; hence each of them equals one - eighth of a second , just as the same lengths ...
... observe , was made in the same time as the sand - line L M was made in Experiment 7 . In Fig . 9 the length L M , of two seconds , is divided into 16 parts ; hence each of them equals one - eighth of a second , just as the same lengths ...
Página 45
... observe that the two cords above the ring are at rest . But the upper pendulum can also be made to swing forward and backward , and then we shall have two pendulums combined . Let us try this and NATURE OF VIBRATORY MOTIONS . 45 ...
... observe that the two cords above the ring are at rest . But the upper pendulum can also be made to swing forward and backward , and then we shall have two pendulums combined . Let us try this and NATURE OF VIBRATORY MOTIONS . 45 ...
Página 68
... observe that , when the bow throws the disk into vibration , the sand on its surface is driven about in a kind of tiny waltz . Where the finger touches the disk the trembling of the disk is nearly stopped , and where the disk is bowed ...
... observe that , when the bow throws the disk into vibration , the sand on its surface is driven about in a kind of tiny waltz . Where the finger touches the disk the trembling of the disk is nearly stopped , and where the disk is bowed ...
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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.