On the Connexion of the Physical SciencesMurray, 1858 - 555 pages |
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Page 143
... notes may be produced separately by varying the intensity of the blast . Blowing steadily and gently , the fundamental note will sound ; when the force of the blast is increased the note will all at once start up an octave ; when the ...
... notes may be produced separately by varying the intensity of the blast . Blowing steadily and gently , the fundamental note will sound ; when the force of the blast is increased the note will all at once start up an octave ; when the ...
Page 144
... note of a high pitch , on account of the rapidity with which these substances transmit sound . Rods , surfaces , and , in general , all undulating bodies , resolve themselves into nodes . But in surfaces the parts which remain at rest ...
... note of a high pitch , on account of the rapidity with which these substances transmit sound . Rods , surfaces , and , in general , all undulating bodies , resolve themselves into nodes . But in surfaces the parts which remain at rest ...
Page 147
... note . The same effect will be produced by the stroke of a bell near a piano or harp . Some one or other of the notes of an organ are generally in unison with one of the panes or with the whole sash of a window , which consequently ...
... note . The same effect will be produced by the stroke of a bell near a piano or harp . Some one or other of the notes of an organ are generally in unison with one of the panes or with the whole sash of a window , which consequently ...
Page 149
... note calls up a particular form in the sand , which the next note effaces , to establish its own . The motion of the sand will even detect sounds that are inaudible . By the vibrations of sand on a drum- head the besieged have ...
... note calls up a particular form in the sand , which the next note effaces , to establish its own . The motion of the sand will even detect sounds that are inaudible . By the vibrations of sand on a drum- head the besieged have ...
Page 150
... notes that are sounded , each having its perfect effect independently of the rest . A sounding - board not only ... note of the cavity be placed opposite to its orifice , and be large enough to cover it , or at least to set a large ...
... notes that are sounded , each having its perfect effect independently of the rest . A sounding - board not only ... note of the cavity be placed opposite to its orifice , and be large enough to cover it , or at least to set a large ...
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61 Cygni action appears atmosphere attraction bismuth bodies cause centre centrifugal force chemical colour comet consequently copper crystal dark degree density diamagnetic diameter diminishes direction disturbing double stars earth ecliptic effect electricity equal equator ethereal medium excentricity Fcap force glass gravitation greater heat hemisphere increase intensity Jupiter latitude length light lines liquid longitude luminous lunar magnetic major axis mass meridian metallic miles moon motion move nearly nebula nodal lines nodes northern hemisphere NOTE nutation observed optic axis orbit oscillations parallax paramagnetic particles passing perihelion periodic phenomena planets plate polarized pole position Post 8vo produced quantity rays reflected refraction refrangible revolution revolving right angles rings rotation round satellites Sir John Herschel solar spectrum space stars substances sun's surface telescope temperature terrestrial tion tourmaline transmitted tricity undulations Uranus vapour variation velocity vibrations Vols Voltaic waves wire Woodcuts