 | Thomas Keith - Astronomy - 1811 - 388 pages
...set the index of the hour circle to twelve ; then, if the given time be before noon, turn the globe westward till the index has passed over as many hours as the given time wants of noon ; if the time be past noon, turn the globe eastward as many hours as it is... | |
 | John Lathrop - Astronomy - 1812 - 218 pages
...set the index of the hour circle to twelve; then, if the given time be before noon, turn the globe westward till the index has passed over as many hours as the given time wants of noon ; if the time be past noon, turn the globe eastward as many hours as rt is... | |
 | Arithmetic - 1818 - 264 pages
...set the index of the hour circle to twelve ; then if the given time be before noon, turn the globe westward till the index has passed over as many hours as the given time wants of noon ; if the time be past noon, turn the globe eastward as many hours as it is... | |
 | Thomas Keith - Astronomy - 1819 - 380 pages
...set the index of the hour circle to twelve ; then, if the given time be before noon, turn the globe westward till the index has passed over as many hours as the given time wants of noon; if the time be past noon, turn the globe eastward as many hours as it is... | |
 | James M'Intire - Globes - 1823 - 232 pages
...as many hours, as the given time wants of noon; but if the given time be past noon, turn the globe westward, till the index has passed over as many hours, as the given time is past noon. Keep the globe in this position, and screw the quadrant of altitude on the... | |
 | James Ryan - Astronomy - 1827 - 408 pages
...as many hours as the time wants of noon ; but, if the given time be in the afternoon, turn the globe westward till the index has passed over as many hours as the time is past noon ; fhe globe being kept in t*his position, elevate or depress the pole till the centre... | |
 | Joseph Guy - Astronomy - 1832 - 412 pages
...set the index of the hour-circle to twelve ; then, if the given time be before noon, turn the globe westward till the index has passed over as many hours as the given time wants of noon ; if the time be past noon, turn the globe eastward as many hours as it is... | |
 | Joseph Guy - Astronomy - 1845 - 370 pages
...set the index of the hour-circle to twelve ; then, if the given time be before noon, turn the globe westward till the index has passed over as many hours as the given time wants of noon ; if the time be past noon, turn the globe eastward as many hours as it is... | |
 | James M'Intire - Astronomy - 1850 - 352 pages
...as many hours as the given time wants of noon ; but if the given time be past noon, turn the globe westward, till the index has passed over as many hours, as the given time is past noon. Keep the globe in this position, and screw the quadrant of altitude on the... | |
 | Henry Kiddle - Astronomy - 1868 - 300 pages
...may also be found by this rule when its right ascension and declination are given. PRORLEM II.—To find the appearance of the heavens at any place, the...then show the appearance of the heavens for the time. NOTE.—The student must conceive himself situated at the centre of the globe looking out. PRORLEM... | |
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... to twelve ; then, if the given time be before noon, turn the globe westward till the index has passed over as many hours as the given time wants of noon ; if the time be past noon, turn the globe eastward as many hours as... 
