On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 118
... sound , to affect respiration , and to occasion a loss of muscular strength . The blood burst from the lips and ears of M. de Humboldt as he ascended the Andes ; and he experienced the same difficulty in kindling and maintaining a fire ...
... sound , to affect respiration , and to occasion a loss of muscular strength . The blood burst from the lips and ears of M. de Humboldt as he ascended the Andes ; and he experienced the same difficulty in kindling and maintaining a fire ...
Page 128
... agitation as they pass , and carrying the water aloft by the force of gyration . Occasionally the eddies begin in the clouds and dip down to the sea . 1 SECTION XVI . - -- Sound - Propagation of 128 SECT . XV . WATERSPOUTS .
... agitation as they pass , and carrying the water aloft by the force of gyration . Occasionally the eddies begin in the clouds and dip down to the sea . 1 SECTION XVI . - -- Sound - Propagation of 128 SECT . XV . WATERSPOUTS .
Page 129
... Sound in Air , Water , and Solids— Causes of the Obstruction of Sound - Law of its Intensity - Reflection Echoes - Thunder- Refraction of Sound Interference of Sound of Sounds . - ―― -- - ONE of the most important uses of the atmosphere ...
... Sound in Air , Water , and Solids— Causes of the Obstruction of Sound - Law of its Intensity - Reflection Echoes - Thunder- Refraction of Sound Interference of Sound of Sounds . - ―― -- - ONE of the most important uses of the atmosphere ...
Page 130
... sound is , that each ear of corn is şet in motion by an external cause , and is uninfluenced by the motion of the rest ; whereas in air , which is a compressible and elastic fluid , when one particle begins to oscillate , it communi ...
... sound is , that each ear of corn is şet in motion by an external cause , and is uninfluenced by the motion of the rest ; whereas in air , which is a compressible and elastic fluid , when one particle begins to oscillate , it communi ...
Page 131
... sound depends upon the violence and extent of the initial vibrations of air ; but , whatever they may be , each undulation when once formed can only be transmitted straight forwards , and never returns back again unless when reflected ...
... sound depends upon the violence and extent of the initial vibrations of air ; but , whatever they may be , each undulation when once formed can only be transmitted straight forwards , and never returns back again unless when reflected ...
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61 Cygni absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire