 | Thomas Keith - Astronomy - 1811 - 388 pages
...the index ot the hour circle to 12; then, it the given time be before noon, turn the globe eastward on its axis till the index has passed over as many hours as the time wants of noon ; if the time be past noon, turn the globe westward till the index has passed over as... | |
 | John Lathrop - Astronomy - 1812 - 218 pages
...bring it to the brass meridian, and set the index of the hour circle to 12; then, if the time be afttr noon, turn the globe westward on its axis till the index has passed over as many hours as the tifne is past noon ; but, if the time be before noon, turn the glooe eastward till the index has passed... | |
 | Thomas Keith - Astronomy - 1819 - 380 pages
...bring it to the brass - meridian, and set the index of the hour circle to 12; then if the time be after noon, turn the globe westward on its axis till the index has passed over as many hours as the time ia past noon ; but, if the time be before noon, turn the globe eastward till the index has passed over... | |
 | Thomas Keith - 1821 - 408 pages
...the index of the hour-circle to 12 ; then, if the given time be before noon, turn the globe eastward till the index has passed over as many hours as the...passed over as many hours as the time is past noon ; let the globe rest in this position, and look in the Ephemeris for the longitudes* of the planets,... | |
 | John Lathrop - Astronomy - 1821 - 206 pages
...index of the hour circle to twelve; then, if the given time be 154 before noon, turn the globe eastward till the index has passed over as many hours as the...passed over as many hours as the time is past noon; let the globe rest in this position, and look in the Ephemeris for the longitudes of the planets, and,... | |
 | James M'Intire - Globes - 1823 - 232 pages
...given place to the brass meridian, and set the index of the nour circle to 12; turn the globe eastward on its axis till the index has passed over as many hours as are equal to the half length of the day; keep the globe from revolving on its axis, and elevate or... | |
 | James M'Intire - Globes - 1826 - 234 pages
...many hours as the time wants of noon; but, if the given time be past noon, turn the globe eastward on its axis, till the index has passed over as many hours as the time is past noon; then, the degree of the ecliptic cut by the brass meridian, will show on the horizon the day of the... | |
 | James Ryan - Astronomy - 1827 - 408 pages
...the index of the hour circle to 12 ; then, if the time be in the forenoon, turn the globe eastward on its axis till the index has passed over as many hours as the time wants of noon ; but, if the time be in the afternoon, turn the globe westward as before ; then, all... | |
 | Joseph Guy - Astronomy - 1832 - 412 pages
...the index of the hour-circle to 12 ; then, if the given time be before noon ; turn the globe eastward on its axis till the index has passed over as many hours as the time wants of noon ; if the time be past noon, turn the globe westward till the index has passed over as... | |
 | Joseph Guy - Astronomy - 1845 - 370 pages
...set the index of the hour-circle to 12 ; then, if the time be before noon, turn the globe eastward on its axis till the index has passed over as many hours as the time wants of noon ; but, if the time be past noon, turn the globe westward till the index has passed over... | |
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... to 12 ; then, if the given time be before noon ; turn the globe eastward on its axis till the index has passed over as many hours as the time wants of noon... 
