Astronomical and Geographical Essaysauthor, 1789 - 665 páginas |
Dentro del libro
Resultados 1-5 de 33
Página xv
... South Dial XLIII . To make an Erect Dial 381 383 387 Of Navigation XLIV . Given the Difference of Latitude , and Difference of Longitude , to find the Courfe and Distance failed XLV . Given the Difference of Latitude and Course , to ...
... South Dial XLIII . To make an Erect Dial 381 383 387 Of Navigation XLIV . Given the Difference of Latitude , and Difference of Longitude , to find the Courfe and Distance failed XLV . Given the Difference of Latitude and Course , to ...
Página 32
... south , as the northern hemisphere appears to turn round the pole ftar . The general appearance , therefore , of the ftarry heavens , is that of a vast concave sphere turning round two fixed points ( diametrically oppofite to each other ...
... south , as the northern hemisphere appears to turn round the pole ftar . The general appearance , therefore , of the ftarry heavens , is that of a vast concave sphere turning round two fixed points ( diametrically oppofite to each other ...
Página 48
... SOUTH POLE . A ball whirled from the hand into the open air , turns round upon a line within itself , while it is moving forward ; fuch a line as this is meant , when we speak of the axis of a planet . Fig . 1 , plate I. represents the ...
... SOUTH POLE . A ball whirled from the hand into the open air , turns round upon a line within itself , while it is moving forward ; fuch a line as this is meant , when we speak of the axis of a planet . Fig . 1 , plate I. represents the ...
Página 83
... south- ward of our traveller will feem to rife higher and higher . The contrary appearances would hap- pen , if he went to the northward . This proves that the earth is not a plane furface , but a curve in the direction fouth and north ...
... south- ward of our traveller will feem to rife higher and higher . The contrary appearances would hap- pen , if he went to the northward . This proves that the earth is not a plane furface , but a curve in the direction fouth and north ...
Página 94
... soUTH POLE . The poles of the heavens , or of the world , are those two points in the heavens , where the axis of the earth , if produced , would terminate ; fo that the north pole of the heavens is exactly over the north pole of the ...
... soUTH POLE . The poles of the heavens , or of the world , are those two points in the heavens , where the axis of the earth , if produced , would terminate ; fo that the north pole of the heavens is exactly over the north pole of the ...
Otras ediciones - Ver todo
Astronomical and Geographical Essays: Containing, a Full and Comprehensive ... George Adams No hay ninguna vista previa disponible - 2018 |
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