Astronomical and Geographical Essaysauthor, 1789 - 665 páginas |
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Página vii
... the measurement of the relative pofitions and distances of inacceffible objects . Yet to the uninftructed , to determine ... places , & c . are problems that have ever ap- peared to be above the reach of human art ; they are , therefore ...
... the measurement of the relative pofitions and distances of inacceffible objects . Yet to the uninftructed , to determine ... places , & c . are problems that have ever ap- peared to be above the reach of human art ; they are , therefore ...
Página xiii
... the Terrestrial Globe 269 Of Latitude and Longitude ibid . PROB . I. To find the Longitude of any Place 275 11. To find the Difference of Longitude between any two Places 277 111. To find all those Places where it is Noon at any given Hour ...
... the Terrestrial Globe 269 Of Latitude and Longitude ibid . PROB . I. To find the Longitude of any Place 275 11. To find the Difference of Longitude between any two Places 277 111. To find all those Places where it is Noon at any given Hour ...
Página xiv
... the two Days on which the Sun is in the Zenith of any given Place , & c . 334 XXIV . To find where the Sun is vertical on a given Day and Hour xxv . At a given Time of the Day in one Place , to find at the fame Inftant thofe Places ibid .
... the two Days on which the Sun is in the Zenith of any given Place , & c . 334 XXIV . To find where the Sun is vertical on a given Day and Hour xxv . At a given Time of the Day in one Place , to find at the fame Inftant thofe Places ibid .
Página xviii
... the Globe for a Comet 479 LXXVI . To determine the Place of a Comet on the Globe ibid . 480 LXXVII . To find the Latitude ... Places of a Comet , to affign it's Path 483 LXXXII . To estimate a Comet's Apparent Velocity 484 EXXXIII . To ...
... the Globe for a Comet 479 LXXVI . To determine the Place of a Comet on the Globe ibid . 480 LXXVII . To find the Latitude ... Places of a Comet , to affign it's Path 483 LXXXII . To estimate a Comet's Apparent Velocity 484 EXXXIII . To ...
Página 12
... places on the furface of the earth . The greatest number of ftars that are visible to the naked eye , may be seen in a winter's night , when the air is clear , and no moon appears . But even then , a good eye can fcarce diftinguish more ...
... places on the furface of the earth . The greatest number of ftars that are visible to the naked eye , may be seen in a winter's night , when the air is clear , and no moon appears . But even then , a good eye can fcarce diftinguish more ...
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Términos y frases comunes
aftronomy alfo alſo apparent motion atmoſphere becauſe bodies braſs meridian broad paper circle called cauſes celeftial confequently conjunction decreaſe defcribe degrees diameter diftinguiſhed diſappear diſcovered diſtance diurnal motion earth eaſt ecliptic elongation equator faid fame fatellites feen fhadow fhew fhould fide figns firſt fituation fixed ftars fize folar fome fometimes fouth fouthern fpectator fuch fummer fun appears fun's fuperior fuppofe furface fyftem greateſt heavens hemifphere horizon increaſe inferior conjunction inferior planets inhabitants interfect itſelf Jupiter latitude lefs light London longitude meaſure Mercury miles moon moon's moſt move muſt night nodes obferved oppofite orbit paffes paffing parallax parallel phænomena pofition polar circle pole reaſon repreſent reſpect retrograde motion revolves round rife round the fun Saturn ſeen ſhall ſhe ſmall ſpace ſphere ſpots ſtars ſuppoſe ſyſtem teleſcope thefe theſe thofe thoſe tropic of Cancer univerfe uſed Venus viſible weft whofe