 | John Hubbard Wilkins - Astronomy - 1829 - 202 pages
...the year, and the length of the day and night at that place. 1. Rectify the globe (by Prob. XI.) for the latitude of the place ; find the sun's place in the ecliptic (by Prob. X.) and bring it to the meridian, and set the index to 12 ; bring the sun's place to the... | |
 | William Channing Woodbridge - Geography - 1829 - 494 pages
...dark. Find the place where the sun ia vertical at the given hour by Problem 1'2then elevate the pole as many degrees above the horizon as are equal to the latitude of that place, and bring it to the brass meridian; so will it then be the zenith or centre of the horizon.... | |
 | G. Rubie - Astronomy - 1830 - 204 pages
...general appearance of the Heavenly Bodies as seen at any particular place, the pole must be elevated as many degrees above the horizon, as are equal to the latitude of that place. If the place be in north latitude, the North Pole must be elevated above the north point... | |
 | Jacob Willetts - Geography - 1831 - 220 pages
...find the time when any of the heavenly bodies rise, set, and come to the men* dian. 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... | |
 | Hervey Wilbur - Astronomy - 1831 - 170 pages
...declination for that day shews the place to which it is vertical at the given hour. 2. Elevate the pole as many degrees above the horizon as are equal to the Latitude of the given place ; bring it to the brass meridian : the Sun rises then for all places on the western edgo... | |
 | L. Ring - 1831 - 200 pages
...find the sun's declination and all those places where the sun will be vertical on that day. Rule. — Find the sun's place in the ecliptic, and bring it to the brass meridian, and the degree •which stands over it is the sun's declination. Then turn the Globe... | |
 | Aaron Arrowsmith - 1832 - 546 pages
...Sun is vertical at the given hour (by Problem XL); bring it to the Meridian, and elevate the pole as many degrees above the Horizon as are equal to the Latitude of the place. Then, to all places just under the Western side of the Horizon the sun is rising ; to those just under... | |
 | Joseph Guy - Astronomy - 1832 - 412 pages
...declination for the given day, and note whether it be north or south ; if it be north, elevate the south pole so many degrees above the horizon as are equal to the declination ; if it be south, elevate the north pole in a similar manner ; bring the place at which... | |
 | Sir Richard Phillips - Physics - 1832 - 286 pages
...1st. To find those places in the torrid zone, to which the sun will be vertical, on any given day. Find the sun's place in the ecliptic and bring it to the brazen meridian ; mark the de'gree of the meridian over it; then all the places that pass under that... | |
 | Jesse Olney - Geography - 1833 - 300 pages
...at Hartford on the 5th of February ? A. The sun rises at 7, and sets at 5. OB, 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... | |
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... the western edge of the horizon, and the index will show the time of... 
