Popular Astronomy: A Series of Lectures Delivered at IpswichMacmillan, 1868 - 292 sider |
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Side 2
... telescope manufactured by his own hands . And I may add , that the first Nautical Almanac I possessed , was received as a present from a gentleman then residing in Ipswich , who has now risen to great eminence in the Metro- polis as an ...
... telescope manufactured by his own hands . And I may add , that the first Nautical Almanac I possessed , was received as a present from a gentleman then residing in Ipswich , who has now risen to great eminence in the Metro- polis as an ...
Side 10
... telescope CD , which , of course , so long as you give it no other motion , retains the same inclination to that ... telescope is directed to any one star , and then by turning the instrument round the axis , it is found , that without ...
... telescope CD , which , of course , so long as you give it no other motion , retains the same inclination to that ... telescope is directed to any one star , and then by turning the instrument round the axis , it is found , that without ...
Side 12
... telescope is adjusted , and pointed to the star . Whether it be turned to a star near the Pole , or to a star at a distance from the Pole , the effect is this - that the star is constantly seen in the field of view of the telescope ...
... telescope is adjusted , and pointed to the star . Whether it be turned to a star near the Pole , or to a star at a distance from the Pole , the effect is this - that the star is constantly seen in the field of view of the telescope ...
Side 13
... telescope of considerable power attached to the Equatoreal , so that we can see a small departure from the centre of the telescope in the position of the star we are looking at , and when we trace the course of that star down to the ...
... telescope of considerable power attached to the Equatoreal , so that we can see a small departure from the centre of the telescope in the position of the star we are looking at , and when we trace the course of that star down to the ...
Side 18
... telescope , and how it is used with wires in the field of view . The instrument thus fitted up is not used for mere gazing , but for accurate observation . If you go into an observatory , and look into any of the tele- scopes , you will ...
... telescope , and how it is used with wires in the field of view . The instrument thus fitted up is not used for mere gazing , but for accurate observation . If you go into an observatory , and look into any of the tele- scopes , you will ...
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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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