Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 859
... vibrations , 899. Transverse vibrations of strings , 900. Their laws , 901. Sonometer , 902. Harmonics ; Segmental vibration of strings , 903 . Sympathetic vibrations or resonance ; Sounding - boards , 904. Longitudinal vibra- tions of ...
... vibrations , 899. Transverse vibrations of strings , 900. Their laws , 901. Sonometer , 902. Harmonics ; Segmental vibration of strings , 903 . Sympathetic vibrations or resonance ; Sounding - boards , 904. Longitudinal vibra- tions of ...
Página 860
Augustin Privat-Deschanel Joseph David Everett. CHAPTER LXV . ANALYSIS OF VIBRATIONS . SOUNDS . CONSTITUTION OF ... vibration consists of a fundamental simple vibration and its harmonics ; and every musical note consists of a fundamental ...
Augustin Privat-Deschanel Joseph David Everett. CHAPTER LXV . ANALYSIS OF VIBRATIONS . SOUNDS . CONSTITUTION OF ... vibration consists of a fundamental simple vibration and its harmonics ; and every musical note consists of a fundamental ...
Página 862
... vibration changed to elliptic . Analogy of Lissajous ' figures . Resolution of elliptic vibration by analyser . Why ... Vibrations of ordinary light , 1116. Polarization of dark heat - rays , 1117 , . EXAMPLES IN ACOUSTICS , EXAMPLES IN ...
... vibration changed to elliptic . Analogy of Lissajous ' figures . Resolution of elliptic vibration by analyser . Why ... Vibrations of ordinary light , 1116. Polarization of dark heat - rays , 1117 , . EXAMPLES IN ACOUSTICS , EXAMPLES IN ...
Página 865
... Vibration . - Sound , as directly known to us by the sense of hearing , is an impression of a peculiar character , very broadly distinguished from the impressions received through the rest of our senses , and admitting of great variety ...
... Vibration . - Sound , as directly known to us by the sense of hearing , is an impression of a peculiar character , very broadly distinguished from the impressions received through the rest of our senses , and admitting of great variety ...
Página 866
... vibrating springs bear an extremely close resemblance . The property of isochronism , which approximately characterizes the vibrations of the pendulum , also belongs to the spring , the approximation being usually so close that the ...
... vibrating springs bear an extremely close resemblance . The property of isochronism , which approximately characterizes the vibrations of the pendulum , also belongs to the spring , the approximation being usually so close that the ...
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achromatic analyser angle of incidence beam body bright lines called centimetres centre coincidence colours concave mirror conjugate foci convex convex lens crystal curvature denote diameter direction distance employed equal experiment eye-piece flame focal length frequency of vibration fundamental note glass harmonics Hence Iceland-spar incident ray index of refraction interval inverted law of sines lens lenses luminous point magnifying power medium metres minimum deviation nearly node normal number of vibrations object object-glass oblique observer obtained octave optical ordinary parallel particles pencil perpendicular pipe pitch placed plane mirror plate polarization portion position principal axis principal focus prism produced propagation radius rarefaction ratio reflected rays refrangibility represented retina rotation screen seen side slit solar spectra spectrum spherical string subtends surface telescope tion tone traversing tube undulation velocity of sound vertical vibrations vibrations per second violet virtual image visual angle wave-front wave-length waves