On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 46
... meridian , corresponding to angles of one degree , from the poles to the equator , are all proportional to the square of the cosine of the latitude ( N. 124 ) . These quantities are so con- nected with the ellipticity of the spheroid ...
... meridian , corresponding to angles of one degree , from the poles to the equator , are all proportional to the square of the cosine of the latitude ( N. 124 ) . These quantities are so con- nected with the ellipticity of the spheroid ...
Page 47
... meridian may be measured by determining the latitude of its extreme points by astronomical observations ( N. 125 ) ... meridian have been measured in a variety of lati- tudes in both hemispheres , as well as arcs perpendicular to the ...
... meridian may be measured by determining the latitude of its extreme points by astronomical observations ( N. 125 ) ... meridian have been measured in a variety of lati- tudes in both hemispheres , as well as arcs perpendicular to the ...
Page 48
... meridian at the equator . In consequence of this local attraction , the degrees of the meridian in that part of Italy seem to increase towards the equator through a small space , instead of decreasing , as if the earth was drawn out at ...
... meridian at the equator . In consequence of this local attraction , the degrees of the meridian in that part of Italy seem to increase towards the equator through a small space , instead of decreasing , as if the earth was drawn out at ...
Page 50
... meridian , and those perpendicular to it . The near coincidence of these three values , deduced by methods so entirely independent of each other , shows that the mutual tendencies of the centres of the celestial bodies to one another ...
... meridian , and those perpendicular to it . The near coincidence of these three values , deduced by methods so entirely independent of each other , shows that the mutual tendencies of the centres of the celestial bodies to one another ...
Page 51
... meridian and in the length of the pendulum , as show that the figure of the earth is very complicated . But they are so small , when compared with the general results , that they may be disregarded . The compression deduced from the ...
... meridian and in the length of the pendulum , as show that the figure of the earth is very complicated . But they are so small , when compared with the general results , that they may be disregarded . The compression deduced from the ...
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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