 | Thomas Keith - Astronomy - 1811 - 388 pages
...Rule. Elevate the pole so many degrees above the horizon as are equal to the latitude of the place and screw the quadrant of altitude on the brass meridian over that latitude ; find the sun's place in the ecliptic, bring it to the brass meridian, and set the index of the hour... | |
 | John Lathrop - Astronomy - 1812 - 218 pages
...RULE. Elevate the pole so many degrees above the horizon as are equal to the latitude of the place, and screw the quadrant of altitude on the brass meridian, over that latitude ; find the sun's place in the ecliptic, bring it to the brass meridian, and set the index of the hour... | |
 | John Lathrop - Astronomy - 1821 - 206 pages
...RULE. Elevate the pole so many degrees above the horizon as arc equal to the latitude of the place, and screw the quadrant of altitude on the brass meridian over that latitude ; bring the given star to the eastern edge of the horizon, and move the quadrant of altitude till it intersects... | |
 | James M'Intire - Globes - 1823 - 232 pages
...hour of the night, and the common azimuth. RULE. Elevate the pole for the latitude of the place, and screw the quadrant of altitude on the brass meridian...that latitude; bring the sun's place in the ecliptic for the given day to the brass meridian, and set the index of the hour circle to 12; turn the globe... | |
 | Jacob Abbot Cummings - Cartography - 1825 - 216 pages
...being given to find what Hour it is at any other place. Rule. Bring the place, where the hour is given, to the brass meridian, and set the index of the hour circle to that hour, then turn the globe till the proposed place comes under the meridian, and the index will... | |
 | James Ryan - Astronomy - 1827 - 408 pages
...of the river Don. [ PROBLEM XII. To find the Perueci of any given place. RULE. Bring the given place to the brass meridian, and set the index of the hour circle to 1 2, turn the globe half round, or till the index points to the other 12, then under the latitude of... | |
 | Jacob Willetts - Geography - 1831 - 220 pages
...Elevate the pole equal to the latitude of the place ; find the sun's place in the ecliptic and: bring it to the brass meridian, and set the index of the hour circle to 12 ; bring the star to the eastern edge of the horizon and the index shows the time of the rising :... | |
 | Joseph Guy - Astronomy - 1832 - 412 pages
...RULE. Elevate the pole so many degrees above the horizon as are equal to the latitude of the place, and screw the quadrant of altitude on the brass meridian, over that latitude ; find the sun's place in the ecliptic, bring it to the brass meridian, and set the index of the hour-circle... | |
 | Jesse Olney - Geography - 1833 - 300 pages
...Rectify the globe for the latitude of the place, find the sun's place in the ecliptic and bring it tp the brass meridian, and set the index of the hour circle to 12. Turn the globe westward till the sun's place comes to the horizon, and the index will show the... | |
 | sir Richard Phillips - 1834 - 248 pages
...cutting the southern point of the horizon. the horizon as are equal to the latitude of the place, and screw the quadrant of altitude on the brass meridian...ecliptic to the brass meridian, and set the index to 12; turn the globe till the index points to the given hour ; bring the graduated edge of the quadrant... | |
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Elevate the pole so many degrees above the horizon as are equal to the latitude of the place and screw the quadrant of altitude on the brass meridian over that latitude... 
