 | Thomas Keith - Astronomy - 1811 - 388 pages
...latitude of the place, and screw the quadrant of altitude on the brass meridian^ over that latitude ; bring the sun's place in the ecliptic to the brass meridian, and set the index of the hour circle to twelve ; turn the globe on its axis till the sun's place in the... | |
 | John Lathrop - Astronomy - 1812 - 218 pages
...latitude of the place, and screw the quadrant of altitude on the brass meridian, overthat latitude ; bring the sun's place in the ecliptic to the brass meridian, and set the index of the hour circle to twelve ,• turn the globe on its axis till the sun's place in... | |
 | Thomas Keith - Astronomy - 1819 - 380 pages
...latitude of the place, and screw the quadrant of altitude on the brass meridian, over that latitude; bring the sun's place in the ecliptic to the brass meridian, and set the index of the hour circle to twelve; turn the globe on its axis till the sun's place in the... | |
 | James M'Intire - Globes - 1823 - 232 pages
...plane, by the mariner's compass, allowing for the variation, and elevate the pole for the latitude of place; bring the sun's place in the ecliptic to the brass meridian, and set the index of the hour circle to 12; stick a needle perpendicularly in the sun's place in the ecliptic,... | |
 | James M'Intire - Globes - 1826 - 234 pages
...twilight. The morning twilight is the same length. Or, Elevate the pole for the latitude of the given place, bring the sun's place in the ecliptic to the brass meridian, set the index to 12, and screw the quadrant of altitude on the brass meridian over the latitude of... | |
 | Hervey Wilbur - Astronomy - 1831 - 170 pages
...to find what stars are rising, setting or culminating, &c. Elevate the pole to the Latitude of the place ; bring the Sun's place in the Ecliptic to the brass meridian ; set the index to 12 ; if the given time be before noon, turn the globe eastward, till the index has... | |
 | Joseph Guy - Astronomy - 1832 - 412 pages
...latitude of the place, and screw the quadrant of altitude on the brass meridian, over that latitude ; bring the sun's place in the ecliptic to the brass meridian, and set the index of the hourcircle to twelve ; turn the globe on its axis till the sun's place in the... | |
 | Hervey Wilbur - Astronomy - 1834 - 172 pages
...to tind what stars are rising, sotting or culminating, &c. Elevate the pole to the Latitude of the place ; bring the Sun's place in the Ecliptic to the brass meridian ; set the index to 12 ; if the given time he before noon, turn the globe eastward, till the index has... | |
 | sir Richard Phillips - 1834 - 248 pages
...latitude of the place, and screw the quadrant of altitude on the brass meridian over that latitude ; bring the sun's place in the 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... | |
 | Joseph Guy - Astronomy - 1845 - 370 pages
...the number of degrees between it and the herizon will be the sun's altitude. OB, '.., frigid zone ; bring the sun's place in the ecliptic to the brass meridian, and set the index of the hour-circle to twelve ; turn the globe on its axis till the index points to the... | |
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Elevate the pole as 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; bring the sun's place in the ecliptic to the brass meridian, and set the index... 
