On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 46
... poles must be nearly an ellipse , having its major axis in the plane of the equator , and its minor axis coincident with the axis of the earth's rotation ( N. 122 ) . It is easy to show , in a spheroid whose strata are elliptical , that ...
... poles must be nearly an ellipse , having its major axis in the plane of the equator , and its minor axis coincident with the axis of the earth's rotation ( N. 122 ) . It is easy to show , in a spheroid whose strata are elliptical , that ...
Page 47
... poles . Were the earth an ellipsoid of revolution , the meridians would be ellipses whose lesser axes would coincide with the axis of rotation , and all the degrees measured between the pole SECT . VI . 47 ARCS OF THE MERIDIAN .
... poles . Were the earth an ellipsoid of revolution , the meridians would be ellipses whose lesser axes would coincide with the axis of rotation , and all the degrees measured between the pole SECT . VI . 47 ARCS OF THE MERIDIAN .
Page 48
Mary Somerville. rotation , and all the degrees measured between the pole and the equator would give the same ... poles , instead of being flattened . Many other discrepancies occur , but from the mean of the five principal measurements ...
Mary Somerville. rotation , and all the degrees measured between the pole and the equator would give the same ... poles , instead of being flattened . Many other discrepancies occur , but from the mean of the five principal measurements ...
Page 49
... pole , is equal to five halves of the ratio of the centrifugal force to gravitation at the equator . This quantity with regard to the earth is of or T. Consequently , the compression of the earth is equal to diminished by the whole ...
... pole , is equal to five halves of the ratio of the centrifugal force to gravitation at the equator . This quantity with regard to the earth is of or T. Consequently , the compression of the earth is equal to diminished by the whole ...
Page 50
... pole , as the square of the sine of the latitude . From the mean of these it appears that the whole decrease of gravitation from the poles to the equator is 0.005.1449 , which , subtracted from ris , shows that the compression of the ...
... pole , as the square of the sine of the latitude . From the mean of these it appears that the whole decrease of gravitation from the poles to the equator is 0.005.1449 , which , subtracted from ris , shows that the compression of the ...
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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