On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
From inside the book
Results 6-10 of 99
Page 46
... give the figure of the earth , if it be mea- sured on different meridians , and in a variety of latitudes . For , if the earth were a sphere , all degrees would be of the same length ; but , if not , the lengths of the degrees would be ...
... give the figure of the earth , if it be mea- sured on different meridians , and in a variety of latitudes . For , if the earth were a sphere , all degrees would be of the same length ; but , if not , the lengths of the degrees would be ...
Page 47
... give the exact length of one degree , the difference of the latitudes being the angle contained between the verticals at the extremities of the arc . This would be easily accomplished were the distance unobstructed and on a level with ...
... give the exact length of one degree , the difference of the latitudes being the angle contained between the verticals at the extremities of the arc . This would be easily accomplished were the distance unobstructed and on a level with ...
Page 48
... give the same compression when combined two and two . That , however , is far from being the case . Scarcely any of the measurements give exactly the same results , chiefly on account of local attractions , which cause the plumb - line ...
... give the same compression when combined two and two . That , however , is far from being the case . Scarcely any of the measurements give exactly the same results , chiefly on account of local attractions , which cause the plumb - line ...
Page 49
... give an approximate value of the earth's circum- ference , by the measurement of an arc between Alexandria and Syene . There is another method of finding the figure of the earth , totally different from the preceding , solely depending ...
... give an approximate value of the earth's circum- ference , by the measurement of an arc between Alexandria and Syene . There is another method of finding the figure of the earth , totally different from the preceding , solely depending ...
Page 50
... give the same result , probably from local attractions . The compression obtained by this method does not differ much from that given by the lunar inequalities , nor from the arcs in the direction of the meridian , and those ...
... give the same result , probably from local attractions . The compression obtained by this method does not differ much from that given by the lunar inequalities , nor from the arcs in the direction of the meridian , and those ...
Other editions - View all
Common terms and phrases
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