| 1763 - عدد الصفحات: 1246
...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 - 1776 - عدد الصفحات: 546
...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... | |
| J. Goldsmith - 1811 - عدد الصفحات: 184
...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... | |
| John Lathrop - 1812 - عدد الصفحات: 218
...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 - 1813 - عدد الصفحات: 408
...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.... | |
| Thomas Keith - 1819 - عدد الصفحات: 380
...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... | |
| John Lathrop - 1821 - عدد الصفحات: 206
...the meridian, and set at any given place. RULE. Elevate the pole so many degrees above the hprizon as are equal to the latitude of the place ; find the...meridian, and set the index of the hour circle to twelve; bring the star, (or the planet's place*) to the eastern part of the horizon, and the hours... | |
| Thomas Keith - 1821 - عدد الصفحات: 408
...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... | |
| Sir Richard Phillips - 1821 - عدد الصفحات: 256
...the constellations, and priitcipal stars, there visible. • Ride Elevate the globe to so many degree 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 orazen... | |
| John Hubbard Wilkins - 1822 - عدد الصفحات: 158
...that time at the place ; and to point out the situations of the several stars. Elevate the pole for the latitude of the place; find the sun's place in the ecliptic, and bring it to the meridian, and set the index to 12; if the time be afternoon, turn the globe westward... | |
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