 | Thomas Keith - Astronomy - 1811 - 388 pages
...be the time which the sun rises before noon : continue the motion of the globe eastward till Venus comes to the eastern edge of the horizon, and the hours passed over by the index will be the time which the sun rises before noon : the difference between these times will shew how long... | |
 | John Lathrop - Astronomy - 1812 - 218 pages
...be the time which the sun rises before noon : continue the motion of the globe eastward till Venus comes to the eastern edge of the horizon, and the hours passed over by the index will be the time which the sun rises before noon : the difference between these times will shew how long... | |
 | Thomas Keith - Astronomy - 1819 - 380 pages
...over the given latitude; turn the globe westward on its axis till the sun's place comes to the western edge of the horizon, and the hours passed over by the index will show the time of the sun's setting, or the beginning of evening twilight; continue the motion of the globe... | |
 | Thomas Keith - 1821 - 408 pages
...and set the index of the hour-circle to 12; turn the globe eastward on its axis till Venus comes tp the eastern edge of the horizon, and the hours passed over by the index will shew how long Venus rises before the sun. NOTE. The same rule will serve for Jupiter by marking his... | |
 | James M'Intire - Globes - 1823 - 232 pages
...eastern edge of the horizon, and set the index of the hour circle to 12; turn the globe eastward «n its axis till the place of Venus on the globe for...IV.) comes to the eastern edge of the horizon, and tne hours passed over by the index will show how long Venus rises before the sun; but, if Venus be... | |
 | James M'Intire - Globes - 1826 - 234 pages
...given day, at any givenplace. RULE. Elevate the pole for the latitude of the place; then, if Venus be a morning star, bring the sun's place in the ecliptic...sun's place to the western edge of the horizon, and sot the index to 12; turn the globe westward on its axis till the place of Venus on the globe, comes... | |
 | James Ryan - Astronomy - 1827 - 408 pages
...&c. (by Prob. XXVII) turn the globe westward on its axis till the sun's place comes to the western edge of the horizon, and the hours passed over by the index will show the time of the sun's setting, or the beginning of evening twilight ; continue the motion of the globe... | |
 | Emma Willard - Geography, Ancient - 1827 - 104 pages
...the index to twelve at noon ; turn the globe eastward till the sun's place comes to the eastern part of the horizon, and the hours passed over by the index will be the length of the day, and the remaining hours will be the length of the night. What is the length... | |
 | William Channing Woodbridge - Geography - 1827 - 494 pages
...the index to twelve at noon ; turn the globe eastward till the sun's place comes to the eastern part of the horizon, and the hours passed over by the index will be the length of the day, and the remaining hours will be the length of the night. 1 1' hut is the... | |
 | E. R. - Geography - 1828 - 418 pages
...the index to XII at noon : turn the Globe eastward, till the Sun's place comes to the eastern part of the horizon, and the hours passed over by the index will be the length of the day ; the remaining hours will be the length of the night. PROBLEM XII. To find... | |
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IV.) comes to the eastern edge of the horizon, and the hours passed over by the index will show... 
