 | Thomas Keith - 1811 - 388 σελίδες
...of altitude on the brass meridian, over the degree of the sun's declination ; bring the given place to the brass meridian, and set the index of the hour circle to twelve : turn the globe eastward till the given place comes to the horizon, and the hours passed over... | |
 | John Lathrop - 1812 - 218 σελίδες
...RULE. .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 ; then, if the time be before noon, turn the globe eastward on its axis till the index has passed... | |
 | George Adams - 1812 - 586 σελίδες
...the given latitude. PROBLEM in. Tojind the right ascension and declination of the sun, for any day. Bring the sun's place in the ecliptic for the given day to the meridian, and the degree of the meridian directly over it is the sun's declination, for that day at... | |
 | George Adams - 1812 - 552 σελίδες
...given latitude. [ 3*6 ] PROBLEM in. Tojind the right ascension and declination of the sun, for any day. Bring the sun's place in the ecliptic for the given day to the meridian, and the degree of the meridian directly over it is the sun's declination, for that day at... | |
 | Thomas Keith - 1819 - 380 σελίδες
...given, to find ivhut hour it is at any other place. Rule. Bring the place at which the time is given to the brass meridian, and set the index of the hour circle io 12 ;* turn the globe till the other place comes to the meridian, and the hours passed over by the... | |
 | Emma Willard - 1822 - 102 σελίδες
...there visible. Elevate the globe to the latitude of 'the place where you are, and set it due N. and S. 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... | |
 | 1823 - 894 σελίδες
...in an oblique sphere. To rectify this gliibe. Elevate the pole to the latitude of the place ; then bring the sun's place in the ecliptic for the given day to the brazen meridian, and set the hour index at 12 at noon, that is, to the upper 12 on tbe hour circle... | |
 | Jacob Abbot Cummings - 1825 - 216 σελίδες
...being given to find what Hour it is at any other place. Rule. Bring the place, where the hour is given, to the brass meridian, and set the index of the hour circle to that hour, then turn the globe till the proposed place comes under the meridian, and the index will... | |
 | James Ryan - 1827 - 408 σελίδες
...of the river Don. [ PROBLEM XII. To find the Perueci of any given place. RULE. Bring the given place to the brass meridian, and set the index of the hour circle to 1 2, turn the globe half round, or till the index points to the other 12, then under the latitude of... | |
 | William Channing Woodbridge - 1827 - 496 σελίδες
...there visible. Elevate the globe to the latitude of the place where you are, and set it due N. and S. 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... | |
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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... 
