| Bernhardus Varenius - 1734 - 464 pages
...Latitude of 'the place ', to find the Hour for that Altitude. ELEVATE the Pole for that Latitude, and find the Sun's Place in the Ecliptic, and bring it to the Meridian ; then fixing the Quadrant of Altitude at the Zenith, and the Index at 12, move the Globe... | |
| Benjamin Martin - 1772 - 492 pages
...the Place over which the Sun is vertical on any given Day and Hour. - In order to this, you are to find the Sun's Place in the Ecliptic, and bring it to the Meridian, and mark the Degree of Declination for the given Hour. After this, find thofe Places which... | |
| Thomas Hogg - 1806 - 130 pages
...the suns rising and setting, to any amplitude not exceeding 664-°. Rectify the globe for the given place ; find the sun's place in the ecliptic, and bring it to tha meridian ; set the index of the horary circle to XII ; then bring the sun's place to the east side... | |
| J. Goldsmith - 1811 - 184 pages
...day is the sun vertical at Peru ? at Cnpe Comorin, irt the Ea«t Indies ? and to the river Amazons ? PROBLEM XIX. — To find the sun's meridian altitude...the latitude of the place. Find the sun's place in tlie ecliptic, and bring it to the brazen meridian: count the number of degrees contained cm the meridian,... | |
| Thomas Keith - 1811 - 388 pages
...show the sun's declination when the day is an hour shorter than the given day. OR, Elevate the pole to the latitude of the place, find the sun's place in the ecliptic, bring it to the brass meridian, and set the index of the hour circle to twelve; turn the globe westward... | |
| John Lathrop - 1812 - 218 pages
...be visible at that hour. RULE. Elevate the pole so many degrees above the horizon, as are equal to the latitude of the place ; find the sun's place in the ecliptic', bfinjj it to the brass meridian, and set the index rff the hour circle to twelve ; then, if the gjvrfrt... | |
| Thomas Keith - 1819 - 380 pages
...will be visible at that hour. Rule. Elevate the pole so many degrees above the horizon as are equal to the latitude of the place ; 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, if the given time... | |
| Sir Richard Phillips - 1821 - 256 pages
...day. Observe, The declination of the sun is its distance from the equator, north or south. Rule. — Find the sun's place in the ecliptic, and bring it to the meridian, and the degree which stands over it is the sun's declination. Then turn the globe from west... | |
| John Hubbard Wilkins - 1822 - 158 pages
...the hour of sun-setting, and it will give the length of the day. 1. Rectify the globe (by Prob. XI.) for the latitude of the place ; find the sun's place in the eeliptic (by Prob. X.) and bring it to the meridian, and set the index to 12; bring the sun's place... | |
| James M'Intire - 1823 - 232 pages
...horizontal plane, where the surrounding horizon is uninterrupted by different objects, and elevate the pole for the latitude of the place; find the sun's place in the ecliptic for the given day, bring it to the brass meridian, and set the index of the hour circle to 12; then,... | |
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