 ... then bring the given place to the meridian, and set the index to the given hour. Turn the globe till the index points to twelve at noon ; and the place exactly under the sun's declination on the brazen meridian will have the sun vertical at the given...  Astronomy and the use of the Globes - Page 120by James MIDDLETON (F.G.S.) - 1848Full view - About this book
 | J. Goldsmith - 1811 - 184 pages
...sun's place, found in the ecliptic for that day, to the meridian, which shews its declination ; then bring the given place to the meridian, and set the index to the given Lour. ' Turn the globe till the index points to twelve at noon, and the place exactly under... | |
 | Thomas Keith - Astronomy - 1811 - 388 pages
...climates. Elevate the north pole 23£° above the northern point of the horizon» bring the sign Cancer to the meridian, and set the index to twelve ; turn the globe eastward on its axis till the index has passed over a quarter of an hour ; observe that particular... | |
 | George Adams - Astronomy - 1812 - 552 pages
...find where the sun is vertical at that time. Rectify the globe to the day of the month, and you have the sun's declination; bring the given place to the meridian, and set the hour index to XII; turn the globe till the index points to the given hour on the equator ; then will... | |
 | George Adams - Astronomy - 1812 - 586 pages
...tojind where the sun, is vertical at that time. Rectify the globe to the day of the month, and you have the sun's declination ; bring the given place to the meridian, and set the hour index to XII ; turn the globe till the index points to the given hour on the equator ; then will... | |
 | John Greig - 1816 - 224 pages
...vertical.* Bring the sun's place for the given day to the meridian, and mark the degree over it, then bring the given place to the meridian, and set the index to the upper XII, turn the globe to the right if the time is in the afternoon, and to the left if the... | |
 | Thomas Keith - Astronomy - 1819 - 380 pages
...climates. Elevate the north pole 23|° above the northern point of the horizon, bring the sign Cancer to the meridian, and set the index to twelve; turn the globe eastward on its axis till the index has passed over a quarter of an hour ; observe that particular... | |
 | Geography - 1820 - 352 pages
...that day, to the meridian, which shews his declination : elevate the pole to that declination j then bring the given place to the meridian, and set the index to twelve o'clock at noon. Turn the globe till the index points to the given hour ; and the place exactly under... | |
 | Edward Bruce (bookseller.) - 1821 - 418 pages
...To fad the sun's rising and setting for any given day, at any given place. 1. Elevate the globe for the sun's declination, bring the given place to the meridian, and set the index to 12. 2. Turn the globe till the given place come to the eastern edge of the horizon, and the index will... | |
 | Sir Richard Phillips - Geography - 1821 - 256 pages
...sun's place, found in the ecliptic for that day, to the meridian, which shows its declination ; then bring the given place to the meridian, and set the index to the given hour. Turn the globe till the index points to twelve at. noon, find the place exactly under... | |
 | James Ryan - Astronomy - 1827 - 408 pages
...not in the frigid zones, being given, to find the sun's declination and the day of the month. RULE I. Bring the given place to the meridian, and set the index to twelve ; turn the globe eastward till the index has passed over as many hours as are. equal to half the length of the day ;... | |
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