 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - 1828 - 608 páginas
...higher latitudes, where the change of the sun's altitude during the twenty-four hours is still less perceptible, it would have been essentially necessary...opposite to, or 180° from, the right one. To obviate the poisibility of this, we had some chronometers constructed by Messrs. Parkinson and Frodsham, of which... | |
 | 1827 - 552 páginas
...change of the sun's altitude during the twenty-four hours is still less perceptihle, it would have heen essentially necessary to possess the certain means...intended to return, on a meridian opposite to, or 180o from, the right one. To ohviate the possihility of this, we had some chronometers constructed... | |
 | Robert Walsh - 1828 - 678 páginas
...hours running to twenty-four, that is, the hour hand made one revolution from meridian to meridian. "An error of twelve hours of time, would have carried...intended to return, on a meridian opposite to, or ISO0 from the right one." The ice described as having been passed over on the 26th June, was of a very... | |
 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - 1828 - 608 páginas
...of the sun•s altitude during the twenty-four hours is still less perceptible, it would have heen essentially necessary to possess the certain means...right one. To obviate the possibility of this, we bad some chronometers constructed by Messrs. Parkinson and Frodsham, of which the hour-banJ made only... | |
 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - 1828 - 626 páginas
...during the twenty-four hours is still less perceptible, it would bare been essentially necessary t« possess the certain means of knowing this ; since...intended to return, on a meridian opposite to. or ISO0 from, the right one. To otniate the possibility of this, we had some chronometers constructed... | |
 | Robert Walsh, Eliakim Littell, John Jay Smith - 1828 - 802 páginas
...hours is still lees perceptible, it woutd have been essentially necessary to possess the certain menus of knowing this ; since an error of twelve hours of...some chronometers constructed by Messrs? Parkinson end Frodsham, of which the hour-hand made; only one revolution in the day, the twenty-four hours being... | |
 | Sir John Barrow - 1846 - 574 páginas
...higher latitudes, where the change of the sun's altitude during the twenty-four hours is still less perceptible, it would have been essentially necessary...opposite to, or 180° from, the right one. To obviate the possihility of this, we had some chronometers constructed by Messrs. Parkinson and Frodsham, of which... | |
 | Sir Albert Hastings Markham - 1879 - 456 páginas
...higher latitudes, where the change of the sun's altitude during the twenty-four hours is still less perceptible, it would have been essentially necessary...intended to return, on a meridian opposite to, or 1 80° from, the right one. To obviate the possibility of this, we had some chronometers constructed... | |
 | Sir Albert Hastings Markham - 1879 - 460 páginas
...higher latitudes, where the change of the sun's altitude during the twenty-four hours is still less perceptible, it would have been essentially necessary...to possess the certain means of knowing this; since ao error of twelve hours of time would have carried us, when we intended to return, on a meridian opposite... | |
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Had we succeeded in reaching the higher latitudes, where the change of the sun's altitude during the twenty-four hours is still less perceptible, it would have been essentially necessary to possess the certain means of knowing this ; since an error of... 