“The” New American Grammar Of The Elements Of Astronomy, On An Improved Plan: In Three Books. I. The Use Of The Terrestrial Globe In The Solution Of Geographical And Astronomical Problems II. The Use Of The Celestial Globe ... III. The Solar System, And The Firmament Of Fixed Stars ; The Whole Systematically Arranged and Scientifically Illustrated ; With Severeal Cuts And Engravings ; And Adapted To The Instruction Of Youth In Schools And AcademiesCollins And Hannay. No. 230 Pearl-street, 1831 - 375 pages |
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Page 14
... difference of time , shown by a well regulated clock and a correct sun - dial . When the clock ought to be faster than the dial , the number of minutes expressing the difference at noon , has the sign + , which is read plus , or more ...
... difference of time , shown by a well regulated clock and a correct sun - dial . When the clock ought to be faster than the dial , the number of minutes expressing the difference at noon , has the sign + , which is read plus , or more ...
Page 20
... difference between the true and reduced latitudes shall be pointed out , when we come to consider the true figure of the earth . 3. Longitude of a place is its distance east or 20 GRAMMAR OF ASTRONOMY . VI VII VIII Of Latitude and ...
... difference between the true and reduced latitudes shall be pointed out , when we come to consider the true figure of the earth . 3. Longitude of a place is its distance east or 20 GRAMMAR OF ASTRONOMY . VI VII VIII Of Latitude and ...
Page 21
... difference . Though it is very natural to suppose , that astronomers and geographers would assume as the first meridian that which passes through the metropolis of their own country ; the Americans , on account of having no public ...
... difference . Though it is very natural to suppose , that astronomers and geographers would assume as the first meridian that which passes through the metropolis of their own country ; the Americans , on account of having no public ...
Page 22
... difference between the temperature which prevails at the moment the sun is in the zenith , and that which obtains , when in the op- posite solstice , the solar rays falling under an angle of more than 47 degrees , We may , therefore ...
... difference between the temperature which prevails at the moment the sun is in the zenith , and that which obtains , when in the op- posite solstice , the solar rays falling under an angle of more than 47 degrees , We may , therefore ...
Page 28
... difference between the true and mean solar noons about the 3d of November , is 16 minutes and a quar- ter nearly , we are not however to infer that the difference between the mean solar day and true solar day , is equal to the same ...
... difference between the true and mean solar noons about the 3d of November , is 16 minutes and a quar- ter nearly , we are not however to infer that the difference between the mean solar day and true solar day , is equal to the same ...
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Common terms and phrases
American miles analemma angle aphelion apparent diameter appear Arcturus Aries astronomers axis azimuth body brazen meridian bring the given called celestial globe centre climate comet constellation days and nights difference diurnal motion earth east ecliptic equal equator equinoctial point equinox fixed stars given place globe westward greatest heavens heliacally hemisphere Hence Herschel horizon hour circle inferior conjunction inferior planets inhabitants Jupiter latitude length longest day longitude Mars mean distance Mercury meridian altitude minutes moon nearly New-York node noon north or south north pole number of degrees o'clock oblique observed orbit parallax parallel of latitude passing perihelion polar circles principal stars Prob quadrant of altitude Rectify the globe remarkable stars retrograde revolution right ascension rising and setting satellites Saturn set the index sidereal solar south pole sun's declination sun's place superior planet supposed surface telescope terrestrial globe tion tude turn the globe twilight Venus zenith zone