| Thomas Keith - Astronomy - 1811 - 388 pages
...of altitude on the brass meridian, over the degree of the sun's declination ; bring the given place to the brass meridian, and set the index of the hour circle to twelve : turn the globe eastward till the given place comes to the horizon, and the hours passed over... | |
| John Lathrop - Astronomy - 1812 - 218 pages
...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 twelve ; then, if the time be before noon, turn the globe eastward on its axis till the index has passed... | |
| Thomas Keith - Astronomy - 1819 - 380 pages
...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 - Globes - 1823 - 232 pages
...difference of time between nine o'clock in the morning and half past four in the afternoon, is 7 a hours, and the time at the required places is later...Philadelphia to the brass meridian, and set the index of the liour circle to 12. then by turning the globe westwiiffl 'Ul the index has passed over 7h hours, you... | |
| 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 M'Intire - Globes - 1826 - 234 pages
...day, are at the same r". tance from thf equator, and consequently on the same parallel of latitude. > to the brass meridian, and set the index of the hour circle to ) 2; turn the globe eastward till the given place comes to the eastern edge of the horizon, and the... | |
| 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 : bring... | |
| Joseph Guy - Astronomy - 1832 - 412 pages
...horizon as are equal to the latitude ; find the sun's place in the ecliptic (by Problem XX.) bring it to the brass meridian, and set the index of the hour circle to twelve ; turn the globe westward till the sun's place come to the western semicircle of the horizon,... | |
| 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 time... | |
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