On the Connexion of the Physical SciencesMurray, 1858 - 555 pages |
From inside the book
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Page 130
... vibrations are the same for every individual ear of corn . Yet , as their oscillations do not all commence at the same time , but successively , the ears will have a variety of positions at any one instant . Some of the advancing ears ...
... vibrations are the same for every individual ear of corn . Yet , as their oscillations do not all commence at the same time , but successively , the ears will have a variety of positions at any one instant . Some of the advancing ears ...
Page 131
... vibrations of the aërial molecules are always extremely small , whereas the waves of sound vary from a few inches to ... vibrations . The grave or low tones are produced by very slow vibrations , which increase in frequency as the note ...
... vibrations of the aërial molecules are always extremely small , whereas the waves of sound vary from a few inches to ... vibrations . The grave or low tones are produced by very slow vibrations , which increase in frequency as the note ...
Page 132
... vibrations incomparably more frequent than any of which we are conscious , we may imagine that animals like the Grylli , whose powers appear to commence nearly where ours terminate , may have the faculty of hearing still sharper sounds ...
... vibrations incomparably more frequent than any of which we are conscious , we may imagine that animals like the Grylli , whose powers appear to commence nearly where ours terminate , may have the faculty of hearing still sharper sounds ...
Page 133
... vibrations in a second , which is the lowest that has hitherto been produced . When the velocity of the bar was much increased , the intensity of the sound was hardly bearable . The spokes of a revolving wheel produce the sensation of ...
... vibrations in a second , which is the lowest that has hitherto been produced . When the velocity of the bar was much increased , the intensity of the sound was hardly bearable . The spokes of a revolving wheel produce the sensation of ...
Page 135
... vibrations of sound are transmitted along the grain of a log of wood is well known . Indeed they pass through iron , glass , and some kinds of wood , at the rate of 18,530 feet in a second . The velocity of sound is obstructed by a ...
... vibrations of sound are transmitted along the grain of a log of wood is well known . Indeed they pass through iron , glass , and some kinds of wood , at the rate of 18,530 feet in a second . The velocity of sound is obstructed by a ...
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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