“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 1-5 of 78
Page 1
... length , breadth , and thickness . 4. A line is length without breadth . The ex-- tremities of a line are called points . A point there- fore has no extension . 5. A straight line , or right line , is the shortest distance from one ...
... length , breadth , and thickness . 4. A line is length without breadth . The ex-- tremities of a line are called points . A point there- fore has no extension . 5. A straight line , or right line , is the shortest distance from one ...
Page 2
... length and breadth without thickness . 8. A plane is a surface , in which if any two points be joined by a straight line , the whole of that line will be in the surface . 9. Every surface which is neither a plane nor composed of planes ...
... length and breadth without thickness . 8. A plane is a surface , in which if any two points be joined by a straight line , the whole of that line will be in the surface . 9. Every surface which is neither a plane nor composed of planes ...
Page 28
... length in all latitudes . True solar time is that which is shown by a true sun - dial . 4. A mean solar day is the time elapsed from 12 o'clock at noon on any day , to 12 o'clock at noon on the next day , as shown by a perfectly well ...
... length in all latitudes . True solar time is that which is shown by a true sun - dial . 4. A mean solar day is the time elapsed from 12 o'clock at noon on any day , to 12 o'clock at noon on the next day , as shown by a perfectly well ...
Page 30
... length of a solar hour be taken equal to unity or 1 , a sidereal hour will be equal to .99727 in mean solar time ; or , if a sidereal hour be taken equal to unity , or 1 , an hour of mean solar time will be equal to 1.0027379 in ...
... length of a solar hour be taken equal to unity or 1 , a sidereal hour will be equal to .99727 in mean solar time ; or , if a sidereal hour be taken equal to unity , or 1 , an hour of mean solar time will be equal to 1.0027379 in ...
Page 33
... length of it ? What is a sidereal year , and what is its duration ? What is a civil year , and how is the American civil year divided ? How many days does the common civil year consist of , and what is the duration of the bissex- tile ...
... length of it ? What is a sidereal year , and what is its duration ? What is a civil year , and how is the American civil year divided ? How many days does the common civil year consist of , and what is the duration of the bissex- tile ...
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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