 | Jedidiah Morse - Geography - 1814 - 696 pages
...latitude of which does not exceed 66^ degrees; and also on -what fioint of the compass it rises and sets. Rectify the globe for the latitude of the place ; bring the sun's place to the meridian, and set the index to 12 ; then turn the sun's place to the eastern edge of the horizon,... | |
 | Edward Bruce (bookseller.) - 1821 - 418 pages
...sun is due east or 'west, the latitude of the place and the day of the month being given. 1. Elevate the globe for the latitude of the place, bring the sun's place to the meridian, and set the ifidex to 12. globe till the sun's place come to the edge of the quadrant,... | |
 | John Vose - Astronomy - 1827 - 262 pages
...at 6h. 40m. of the following day. PROBLEM VIII. Ti> find the altitude of a star at any given time. Rectify the globe for the latitude of the place. Bring the sun's place in the ecliptic to the meridian and set the index at 12- Turn the globe till the index points to the... | |
 | Hervey Wilbur - Astronomy - 1831 - 170 pages
...Arctic circle be found on the globe ? PBOBLIM VII. — To find the altitude of a star at any given time. Rectify the globe for the latitude of the place. Bring the sun's place in the ecliptic to the meridian, and set the index at 12. Turn the globe till the index points to the... | |
 | Hervey Wilbur - Astronomy - 1834 - 172 pages
...Arctic circle be found on the globe ! PROBLEM VII. — To find the altitude of a star at any given time. Rectify the globe for the latitude of the place. Bring the sun's place in the ecliptic to the meridian, and set the index at 12. Turn the globe till the index points to the... | |
 | Thomas Ewing (of Edinburgh.) - 1839 - 348 pages
...was it visible ? PEOB. XX.— To find the sun's meridian altitude (y) at any given place. RULE. — Rectify the globe for the latitude of the place, bring...the sun's place for the given day to the meridian ; and the number of degrees, counted on the meridian, between that place and the horizon, is the altitude... | |
 | John Rorke - 1844 - 188 pages
...place and the time being given, to find what stars are then rising, setting, culminating, fyc. Rectify for the latitude of the place, bring the sun's place for the given time to the meridian, and also one of the 12's of the hour circle ; then turn the globe on its axis... | |
 | Edward Bruce (bookseller.), John Bruce - Astronomy - 1846 - 398 pages
...when it is 4 pm at Benares? PROBLEM XXXI. To find the Duration of Twilight on a given day. 1. Elevate the globe for the latitude of the place, bring the sun's place to the meridian, and set the index to 12. 2. Turn the globe till the sun's place be 18° below the... | |
 | Thomas Ewing (of Edinburgh.) - Geography - 1848 - 418 pages
...altitude (y) at any given place. The altitude of the sun is his height above the horizon. RULE.—Rectify the globe for the latitude of the place, bring the sun's place for the given day to the meridian; and the number of degrees, counted on the meridian, between that place and the horizon, is the altitude... | |
 | James MIDDLETON (F.G.S.) - 1848 - 262 pages
...at noon. PROBLEM XXVII. To find the sun's meridian altitude at a given plaet on a given day. Elevate the globe for the latitude of the place. Bring the sun's place in the ecliptic to the meridian, and count the number of degrees between the sun's place and the horizon,... | |
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Rectify the globe for the latitude of the place. Bring the sun's place in the ecliptic to the meridian, and set the index at 12. 
