 | William Nicholson - Natural history - 1809 - 700 pages
...cuts it, i» the azimuth east or west, as required. 8. " To find the time when the sun rises or sets." Find the sun's place for the given day; bring it to the meridian, and set the hour-hand to xn ; tlien turn the globe till the sun's place tonches the eiist part nf the... | |
 | William Enfield - Astronomy - 1811 - 476 pages
...XXIII. To find the planets which are above the horizon at sun-set, upon any given day and latitude. Find the sun's place for the given day, bring it to the meridian, set the index hour to 1 1, and elevate the pole for the given latitude, then bring the sun's place... | |
 | George Adams - Astronomy - 1812 - 586 pages
...To Jlnd directly the planets wldch are above the horizon at sun-set, upon any given day or latitude. Find the sun's place for the given day, bring it to the meridian, set the hour index to XII, and elevate the pole for the giyen latitude : then bring the place of the... | |
 | George Adams - Astronomy - 1812 - 552 pages
...To Jind directly the planets which are above the horizon at sun-set, upon any given day or latitude. Find the sun's place for the given day, bring it to the meridian, set the hour index to XII, and elevate the pole for the given latitude : then bring the place 368 FROBLEMS.... | |
 | William Nicholson - Natural history - 1819 - 394 pages
...it, is the azimuth east or west, as required. 8. " To find the time when the sun ri- ' ses or sets." Find the sun's place for the given day ; bring it to the meridian, and get the hour-hand to xii; then turn the globe till the sun's place touches the east part of the... | |
 | Edward Bruce (bookseller.) - 1821 - 418 pages
...all those places in the torrid zone to ixhich the sun is vertical on a given day. ' BY THE GLOBE. 1. Find the sun's place for the given day, bring it to the meridian, and mark the declination. 2. Turn the globe round, and all those places which pass under that mark... | |
 | John Hubbard Wilkins - Astronomy - 1822 - 158 pages
...corresponding to the latitude of the place. 2. The given place is then in the zenith. 3. Then (by Problem X.) find the sun's place for the given day, bring it to the meridian, and set the index to 12. Note. If the place be in north latitude, elevate the north pole, if in south... | |
 | John Hubbard Wilkins - Astronomy - 1825 - 151 pages
...corresponding to the latitude of the place. 2. The given place is then in the zenith. 3. Then (by Problem X.) find the sun's place for the given day, bring it to the meridian, and set the index to 12. Note. If the place be in north latitude, elevate the north pole, if in south... | |
 | John Hubbard Wilkins - Astronomy - 1829 - 202 pages
...ponding to the latitude of the place. 2. The given place is then in the zenith. 3. Then (by Problem X.) find the sun's place for the given day, bring it to the meridian, and set the index to 12. Note. If thfr place be in north latitude, elevate the north pole, if in south... | |
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... round, when all those places which pass under that mark of the meridian, will have the sun vertical on the given day. By the analemma, bring the day of the month, marked upon the analemrna, to the brazen meridian, and mark the declination ; then the... 
