Popular Astronomy: A Series of Lectures Delivered at IpswichMacmillan, 1868 - 292 sider |
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Side ix
... give to the Members of the Ipswich Museum and their friends . * And the ideas which I have enounced above have been carefully kept in view , in the object and in the details of every Lecture . I have endeavoured in the first place , to ...
... give to the Members of the Ipswich Museum and their friends . * And the ideas which I have enounced above have been carefully kept in view , in the object and in the details of every Lecture . I have endeavoured in the first place , to ...
Side 2
... for the attendance upon the Lectures should be framed in such a way as to give facilities of introduction to persons concerned in the mechanical operations of the town . And here I must beg to say 2 POPULAR ASTRONOMY .
... for the attendance upon the Lectures should be framed in such a way as to give facilities of introduction to persons concerned in the mechanical operations of the town . And here I must beg to say 2 POPULAR ASTRONOMY .
Side 6
... give your attention to those stars which are fairly above the horizon , you find the stars going round and describing a complete circle : these stars are called circumpolar . Here I would remind my auditors that it is necessary , in ...
... give your attention to those stars which are fairly above the horizon , you find the stars going round and describing a complete circle : these stars are called circumpolar . Here I would remind my auditors that it is necessary , in ...
Side 10
... give it no other motion , retains the same inclination to that axis ; but to which you may give another motion , so as to place it in different positions , as C'D ' or C " D " , directed to stars in different parts of the heavens ...
... give it no other motion , retains the same inclination to that axis ; but to which you may give another motion , so as to place it in different positions , as C'D ' or C " D " , directed to stars in different parts of the heavens ...
Side 11
... give is by a piece of mechanism which has been contrived , and applied to this purpose . ( See Figure 2. ) The best Equato- reals are furnished with a racked wheel attached to the axis , in which works an endless screw or worm , as at E ...
... give is by a piece of mechanism which has been contrived , and applied to this purpose . ( See Figure 2. ) The best Equato- reals are furnished with a racked wheel attached to the axis , in which works an endless screw or worm , as at E ...
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Popular Astronomy: A Series of Lectures Delivered at Ipswich George Biddell Airy Uten tilgangsbegrensning - 1868 |
Popular Astronomy: A Series of Lectures Delivered at Ipswich George Biddell Airy Uten tilgangsbegrensning - 1868 |
Vanlige uttrykk og setninger
aberration of light accurate angle angular distance appear ascertain astronomers ball body bright star calculation Cambridge Cape Cavendish experiment celestial clock cloth College computed Crown 8vo curve described diameter direction disturbed earth earth's axis earth's centre earth's equator ecliptic Edition effect ellipse endeavoured equatoreal exactly explain Fcap Figure fluid globe Greenwich heavens horizon hour inclination Jupiter lecture length lunar precession Mars mean density method millions of miles moon mountain move Mural Circle nearly North Pole nutation object observations Observatory orbit parallax passes the meridian path pendulum perpendicular planets plumb-line point of Aries Polar Star position precession produced proportion pull refraction remark revolve rotation round the sun satellites seen sidereal day solar South Pole spheroid square sun's attraction sun's distance suppose supposition surface tance telescope thing tion transit instrument transit of Venus TREATISE triangle velocity vertical vibrations whole yard measure Zenith Sector
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