 | Thomas Keith - 1811 - 388 páginas
...&fc. Rule. Elevate the pole to the latitude of the place, find the sun's place in the ecliptic, bring it to the brass meridian, and set the index of the hour circle to 12; then, if the time be before noon, turn the globe eastward on its axis till the index has passed... | |
 | 1818 - 264 páginas
...hour is given lo 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 westward as many hours as it wants of noon ; if after noon,... | |
 | Thomas Keith - 1819 - 380 páginas
...given, to find ivhut hour it is at any other place. Rule. Bring the place at which the time is given to the brass meridian, and set the index of the hour circle io 12 ;* turn the globe till the other place comes to the meridian, and the hours passed over by the... | |
 | James M'Intire - 1823 - 232 páginas
...horizon as are equal to the latitude; find the sun's place in the ecliptic (by Prob. XVIII.) bring it to the brass meridian, and set the index of the hour cire to 12; turn the globe westward till the sun's place comes to the "western edge of the horizon,... | |
 | Jacob Abbot Cummings - 1825 - 216 páginas
...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 - 1827 - 408 páginas
...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 - 1831 - 220 páginas
...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 - 1832 - 412 páginas
...the latitude of the given place you will find the Periceci. For the Antipodes. Bring the given place to the brass meridian, and set the index of the hour circle to 12, turn the globe half round, or till the index points to the other 12 ; then under the same degree... | |
 | Thomas Keith - 1832 - 370 páginas
...her place on the globe ; find the sun's place in the ecliptic, and bring it to the brass meridian : then, if the place of Venus be to the right hand of the * It is not necessary to give the latitudes of the planets in this problem ; for if the signs and degrees... | |
 | Jesse Olney - 1833 - 300 páginas
...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... | |
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Rectify the globe for 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. Turn the globe westward till the sun's place comes to the... 
