“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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Results 6-10 of 96
Page 10
... equal hemispheres , called the eastern and western . Hence , east and west are only relative terms with respect to places situated on the earth : for instance , London is east of New - York , and west of Paris ; consequently , with re ...
... equal hemispheres , called the eastern and western . Hence , east and west are only relative terms with respect to places situated on the earth : for instance , London is east of New - York , and west of Paris ; consequently , with re ...
Page 11
... equal parts , they also designate the four seasons of the year . QUESTIONS . What is a great circle ? What are the poles of a great circle ? How many great circles are there drawn on the globe , and what are they called ? What is the ...
... equal parts , they also designate the four seasons of the year . QUESTIONS . What is a great circle ? What are the poles of a great circle ? How many great circles are there drawn on the globe , and what are they called ? What is the ...
Page 13
... equal to 41817600 feet , to which add 6 feet , and the sum will be 41817606 , this multiplied by 6 , gives 250905686 ; then by extracting the square root of this last number , we shall find 2 15840 very nearly ; which is equal to 3 ...
... equal to 41817600 feet , to which add 6 feet , and the sum will be 41817606 , this multiplied by 6 , gives 250905686 ; then by extracting the square root of this last number , we shall find 2 15840 very nearly ; which is equal to 3 ...
Page 14
... equal to 3 miles , the distance which a man 6 feet high can see straight forward , admitting there is nothing to intercept his view . 4. The rational , or true horizon , is an imaginary plane passing through the centre of the earth , pa ...
... equal to 3 miles , the distance which a man 6 feet high can see straight forward , admitting there is nothing to intercept his view . 4. The rational , or true horizon , is an imaginary plane passing through the centre of the earth , pa ...
Page 15
... , is a representation of the horizon , and consists of a circular brass box , which contains a paper card , divided into 32 equal parts , and fixed on a magnetical needle that generally turns towards the north OF THE TERRESTRIAL GLOBE . 15.
... , is a representation of the horizon , and consists of a circular brass box , which contains a paper card , divided into 32 equal parts , and fixed on a magnetical needle that generally turns towards the north OF THE TERRESTRIAL GLOBE . 15.
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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