| Industrial arts - 1763 - 1246 pages
...for that i» the latitude required. ^. To rcflify the globs for any given place. Rail'e the pole fo many degrees above the horizon, as are equal to the latitude of the place j then, finding the fun's phce, bring it to the meridian ; and pro.-eed, as directed in problem i.... | |
| James Ferguson - Astronomy - 1776 - 546 pages
...is vertical at the given hour, if the place be in the northern hemifphere, elevate the north pole as many degrees above the horizon, as are equal to the latitude of that place •, if the place be in the fouthern hemifphere, elevate the fouth pole accordingly j and... | |
| Thomas Hogg - 1806 - 130 pages
...the suns rising and setting, to any amplitude not exceeding 664-°. Rectify the globe for the given place ; find the sun's place in the ecliptic, and bring it to tha meridian ; set the index of the horary circle to XII ; then bring the sun's place to the east side... | |
| J. Goldsmith - 1811 - 184 pages
...point out all the constellations, and principal stars, there visible. Rule. — Elevate the globe to so many degrees above the horizon, as are equal to the latitude of the place, and set the globe due north and south : find the sun's place in the ecliptic, bring it to the brazen... | |
| Thomas Keith - Astronomy - 1811 - 388 pages
...declination fur the given day, and note whether it be north or south ; if it be north, elevate the south pole so many degrees above the horizon as are equal to the declination ; it' it be south, elevate the north pole in a similar manner ; bring the place at which... | |
| John Lathrop - Astronomy - 1812 - 218 pages
...declination for the given day, and note whether it be north or south ; if it be north, elevate the south pole so many degrees above the horizon as are equal to the declination ; if it be south, elevate the north pole in a similar manner; bring the place at which... | |
| Eliza Roberts - Geography - 1813 - 408 pages
...Find the place where the Sun is vertical at the given hour, by Problem XIV ; then elevate the Pole as many degrees above the horizon as are equal to the latitude of that place, and bring to the brass meridian ; so will it then be the zenith or centre of the horizon.... | |
| Arithmetic - 1818 - 264 pages
...declination, and elevate the pole agreeably to that declination ; bring the place, at which the hour is given, to that part of the brass meridian which is numbered from the equator towards the poles, and set the index of the hour circle to twelve ; then if the given time be before noon, turn the globe... | |
| Thomas Keith - Astronomy - 1819 - 380 pages
...declination for the given day, and note whether it be north or south ; if it be north, elevate the south pole so many degrees above the horizon as are equal to the declination; if it be south, elevate the north pole in a similar manner: bring the place at which the... | |
| Thomas Keith - 1821 - 408 pages
...month, and hour of the night or morning, to Jind what planets i»itt be visible at that hour. RULE. Elevate the pole so many degrees above the horizon as are equal to the latitude of die place ; find the sun's place in the ecliptic, bring it to the brass meridian, and set the index... | |
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