 | Jesse Olney - Geography - 1836 - 294 pages
...south so many degrees above the horizon, as are equal to the sun's declination ; bring the given place to the brass meridian, and set the index of the hour circle to 12. Turn the globe eastward till the given place comes to the horizon, and the index will shew the time... | |
 | T H. Howe - 1842 - 458 pages
...in K, on p. 16, and on the page succeeding. RULE 1. — Bring the place, the time of which is given, to the brass meridian, and set the index of the hour circle to the time ; then bring the other place to the brass meridian, and the index will point out the time... | |
 | Thomas Lynn - 1843 - 230 pages
...39. culminates at Ih. 2m. PM;* now turn the globe until this star comes under the graduated edge of the brass meridian, and set the index of the hour circle to Ih. 2m., and the globe with its pole pointing to the pole of the world, by means of the mariner's compass,... | |
 | Joseph Guy - Astronomy - 1845 - 370 pages
...sun's declination must vary to make the day an hour longer or shorter than the given day. given place to the brass meridian, and set the index of the hour circle to twelve : turn the globe eastward on its axis till the given place comes to the horizon, and observe... | |
 | Thomas Keith - 1848 - 486 pages
...altitude on the brass 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; then turn the globe till the index point xto the given hour; bring the graduated edge of the quadrant of... | |
 | James MIDDLETON (F.G.S.) - 1848 - 262 pages
...find the azimuth, and the hour. Elevate the pole for the latitude of the place ; bring the sun's place for the given day to the brass meridian, and set the index to 1 %. Then, if the required time be in the morning, turn the globe till the index point to about... | |
 | Alexander Stewart - 1850 - 480 pages
...west, on any day at a given place. RULE. — Reetify the glohe for the latitnde of the place, hring the sun's place in the ecliptic for the given day to the meridian, and set the index to xn. ; fix the quadrant of altitnde on the hrass meridian over the latitnde... | |
 | B. S. Booth - Geography - 1852 - 32 pages
...sign and degree in the ecliptic on the globe, & it will be the sun's place for that day at noon. (2) Bring the sun's place in the ecliptic, for the given day, to the upper part of the brazen meridian, and the degree over it will be the declination. Find (\) the suns... | |
 | J. Tabor - 1853 - 112 pages
...time. * The declination of the sun for any day may be found either from an ephemeris, or by bringing the sun's place in the ecliptic for the given day to the brass meridian of the globe, then the degree immediately over the sun's place shows the declination, north or south.... | |
 | David Harrison Pierson - Geography - 1854 - 194 pages
...PLACE BEING GIVEN, TO FIND WHAT HOUR IT IS AT ANY OTHER PLACE. Turn the place, vhose hour is given, to the brass meridian, and set the index of the hour circle to that hour ; then turn the globe till the pn.^osed place comes under the meridian, and ihe index will... | |
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Bring the sun's place in the ecliptic for the given day to the meridian, and set the index to XII. at noon : turn the globe westward till the index points to the given hour ; then the surface of the globe represents the exact face of the heavens at the... 
