Astronomical and Geographical Essaysauthor, 1789 - 665 páginas |
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Página 272
... , or it's longitude , by it's distance from the first meridian . On English globes this first me- ridian is made to pafs through London , THE THE LONGITUDE OF ANY PLACE is it's distance from the 272 DESCRIPTION AND USE.
... , or it's longitude , by it's distance from the first meridian . On English globes this first me- ridian is made to pafs through London , THE THE LONGITUDE OF ANY PLACE is it's distance from the 272 DESCRIPTION AND USE.
Página 281
... ridian will pass over those places which have noon at the given hour in Jamaica , 3. IF THE GIVEN HOUR BE IN THE MORNING , BUT NOT AT LONDON . Bring the given place to the ftrong brass meridian ; fet the hour index to the upper- most ...
... ridian will pass over those places which have noon at the given hour in Jamaica , 3. IF THE GIVEN HOUR BE IN THE MORNING , BUT NOT AT LONDON . Bring the given place to the ftrong brass meridian ; fet the hour index to the upper- most ...
Página 282
... ridian will have noon when it is 30 min . past V in the afternoon at Pafaro , in Sicily . PROBLEM IV . When it is noon at any place , to find what hour of the day it is at any other place . Rule . Bring the place at which it is noon ...
... ridian will have noon when it is 30 min . past V in the afternoon at Pafaro , in Sicily . PROBLEM IV . When it is noon at any place , to find what hour of the day it is at any other place . Rule . Bring the place at which it is noon ...
Página 289
George Adams. point ; then count from the equator on the mc- ridian , the degree of latitude either towards the north or fouth pole , and bring the artificial hori- zon to that degree , and the interfection of it's edge with the meridian ...
George Adams. point ; then count from the equator on the mc- ridian , the degree of latitude either towards the north or fouth pole , and bring the artificial hori- zon to that degree , and the interfection of it's edge with the meridian ...
Página 300
... ridian . Bring them up to the meridian , and mark the number of degrees intercepted between them . Multiply the number of degrees thus found by 60 , and they will give the number of geogra geographical miles between the two places . But ...
... ridian . Bring them up to the meridian , and mark the number of degrees intercepted between them . Multiply the number of degrees thus found by 60 , and they will give the number of geogra geographical miles between the two places . But ...
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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