 | Thomas Keith - Astronomy - 1811 - 388 pages
...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 of latitude with the... | |
 | John Lathrop - Astronomy - 1812 - 218 pages
...be found. FOR THE PERICECI. Bring the given place to the brass meridian, and observe its latitude, and set the index of the hour circle to 12; turn the globe until the index points to the lower 12 ; then under the degree of latitude of the given place, the... | |
 | Thomas Keith - Astronomy - 1819 - 380 pages
...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 to 12 ; turn the globe on its axis from east to west till the two given stars coincide with the given altitude on the graduated... | |
 | Thomas Keith - 1821 - 408 pages
...index will shew how long Venus sets after the sun. When Venus is a morning star. Bring the sun's place to the eastern edge, of the horizon, and set the index of the hour-circle to 12; turn the globe eastward on its axis till Venus comes tp the eastern edge of the... | |
 | Thomas Keith - Globes - 1826 - 360 pages
...degrees preceding and following that point, till there be ten or eleven marks ; bring that mark which is nearest to Pisces to the eastern edge of the horizon, and set the index to 12 ; turn the globe westward till the other marks successively come to the horizon, and observe... | |
 | James Ryan - Astronomy - 1827 - 408 pages
...the globe being rectified for the latitude of the given place ; bring the sun's place in the ecliptic to the eastern edge of the horizon, and set the index of the hour circle to twelve ; then turn the globe westward on its axis till the sun's place comes to the western edge of... | |
 | Hervey Wilbur - Astronomy - 1831 - 170 pages
...latitude, then under the same degree of latitude, in the opposite hemisphere you will find the Anteeci. Set the index of the hour circle to 12, turn the globe half round, or until the index points to the other 12 ; then under that degree on the brass meridian,... | |
 | Joseph Guy - Astronomy - 1832 - 412 pages
...index will show how long Venus sets after the sun. When Venus is a morning star. Bring the sun's place to the eastern edge of the horizon, and set the index of the hour-circle to 12 ; turn the globe eastward on its axis till Venus comes to the eastern edge of the... | |
 | sir Richard Phillips - 1834 - 248 pages
...or seven marks. Elevate the north pole equal to the latitude of the place ; bring that mark which is nearest to Pisces to the eastern edge of the horizon, and set the index to 12; turn the globe westward, till the other marks come successively to the horizon, and observe... | |
 | Hervey Wilbur - Astronomy - 1834 - 172 pages
...latitude, then under the same degree of latitude, in the opposite hemisphere you will find the Anteci. Set the index of the hour circle to 12, turn the globe half round, or until the index points to the other 12 ; then under that degree on the brass meridian,... | |
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Bring the sun's place to the eastern edge of the horizon, and set the index of the hour circle to 12 ; turn the globe eastward... 
