 | Thomas Keith - 1811 - 388 páginas
...circle again to twelve, and turn the globe on its axis till the index has passed over twelve hours ; then to all places above the horizon the eclipse will be visible; to those places along the western edge ot the horizon the moon will rise eclipsed; to those along the... | |
 | John Lathrop - 1812 - 218 páginas
...circle again to twelve, and turn the globe on its axis till the index has passed over twelve hours ; then to all places above the horizon the eclipse will be visible ; to those places along the western edge of the horizon the moon will rise eclipsed ; to those along the... | |
 | 1818 - 264 páginas
...circle again to twelve, and turn the globe on its axis till the index has passed over twelve hours; then to all places above the horizon the eclipse will be visible ; to those places along the western edge of the horizon the moon, will rise eclipsed ; to those along the... | |
 | Thomas Keith - 1819 - 380 páginas
...circle again to twelve, and turn the globe on its axis till the index has passed over twelve hours; then to all places above the horizon the eclipse will be visible; to those places along the western edge of the horizon the moon will rise eclipsed; to those along the... | |
 | Joseph Guy - 1832 - 412 páginas
...hour-circle again to twelve, and turn the globe on its axis till the index has passed over twelve hours ; then to all places above the horizon the eclipse will be visible ; to those places along the western edge of the horizon, the moon will rise eclipsed ; to those ajong the... | |
 | Joseph Guy - 1845 - 370 páginas
...hour-circle again to twelve, and turn the globe on its axis till the index has passed over twelve hours ; then to all places above the horizon the eclipse will be visible ; to those places along the western edge of the horizon, the moon will rise eclipsed ; to those along the... | |
 | James M'Intire - 1850 - 352 páginas
...the globe on its axis till the index has passed over 12 hours, or till it points to the other 12 ; then to all places above the horizon the eclipse will...horizon, she will set eclipsed. EXAMPLES. • 1. On the 19th of March, 1848, the middle of an eclipse of the moon was at 9 hours 12 minutes, Greenwich astronomical... | |
 | John White - 1866 - 328 páginas
...many degrees above the horizon as are equal to the declination, otherwise elevate the north pole ; — then to all places above the horizon the eclipse will be visible. Ex. — There was an eclipse of the moon, Jan. 26, 1842, Greenwich mean time of opposition 6h. 6m.... | |
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Set the index of the hour circle again to twelve, and turn the globe on its axis till the index has passed over twelve hours ; then to all places above the horizon the eclipse will be visible ; to those places along the western edge of the horizon the... 