 | Robert Main - 1860 - 56 pages
...observation with first-rate instruments, and very far within the limits of accuracy of observations with the sextant; — that Hansen's Tables are practically...finding the longitude at sea is now completely solved. That rebellious satellite, which has hitherto successfully resisted all the most complicated and refined... | |
 | Astronomy - 1860 - 394 pages
...observation with first-rate instruments, and very far within the limits of accuracy of observations with the sextant; — that Hansen's Tables are practically...finding the longitude at sea is now completely solved. That rebellious satellite, which has hitherto successfully resisted all the most complicated and refined... | |
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... Gentlemen, without going into details, you may rest assured that the residual errors of the lunar theory are reduced now to most insignificant limits; and certainly within the errors incidental to meridional observation with first-rate instruments,... 