On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 121
... undulations which have their maximum altitudes at the equinoxes , and their minima at the solstices . There are also lunar tides ; which ebb and flow twice in the course of a lunation . The diurnal tides , which accomplish their rise ...
... undulations which have their maximum altitudes at the equinoxes , and their minima at the solstices . There are also lunar tides ; which ebb and flow twice in the course of a lunation . The diurnal tides , which accomplish their rise ...
Page 122
... undulations in its outline mark the maxima and minima of the minor oscillations . The trade - winds , which are the principal currents in the atmosphere , are only a particular case of those very general laws which regulate the motion ...
... undulations in its outline mark the maxima and minima of the minor oscillations . The trade - winds , which are the principal currents in the atmosphere , are only a particular case of those very general laws which regulate the motion ...
Page 129
... undulations received by the air , whether it be from a sudden impulse , such as an explosion or the vibrations of a musical chord , are propagated in every direction , and produce the sensation of sound upon the auditory nerves . A bell ...
... undulations received by the air , whether it be from a sudden impulse , such as an explosion or the vibrations of a musical chord , are propagated in every direction , and produce the sensation of sound upon the auditory nerves . A bell ...
Page 130
... undulations of a corn - field and those of the air which produce 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 ...
... undulations of a corn - field and those of the air which produce 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 ...
Page 131
... undulation when once formed can only be transmitted straight forwards , and never returns back again unless when ... undulations of the air , must be all exactly similar in duration and intensity , and must recur after exactly equal ...
... undulation when once formed can only be transmitted straight forwards , and never returns back again unless when ... undulations of the air , must be all exactly similar in duration and intensity , and must recur after exactly equal ...
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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