 | 1833 - Страниц: 634
...month; but after that instant the equation is tobe №Ítractcd from Apparent to obtain Mean Time. Where time is deduced from observations of the Sun, the...equation of time is necessary, and it is to be applied to apparent time, according to the precept at the head of the column. Thus, suppose the apparent time... | |
 | 1835 - Страниц: 548
...Apparent to obtain Mean Time. Where time is deduced from observations of the Sun, the immediale tese. apparent time; to convert it into mean time, the equation of time is necean and it is to be applied to apparent time, according to the precept at the head oi'tk column.... | |
 | 1841 - Страниц: 630
...on page IL, because the equation itself varies in the interval between Apparent and Mean Noon. Where time is deduced from observations of the Sun, the...equation of time is necessary, and it is to be applied to apparent time, according to the precept at the head of the column. Thus, suppose the apparent time... | |
 | 1842 - Страниц: 624
...page II., because the equation itself varies in the interval between Apparent and Mean Noon. Where time is deduced from observations of the Sun, the...equation of time is necessary, and it is to be applied to apparent time, according to the precept at the head of the column. Thus, suppose the apparent time... | |
 | 1842 - Страниц: 342
...means of the column of Differences for one Hour. Equation of Time, — Clock before or after Sun. Where time is deduced from observations of the Sun, the...the equation of time is necessary, and it is to be added to apparent time when the clock is before the Sun, and subtracted from apparent time when the... | |
 | 1843 - Страниц: 634
...page II., because the equation itself varies in the interval between Apparent and Mean Noon. Where time is deduced from observations of the Sun, the...equation of time is necessary, and it is to be applied to apparent time, according to the precept at the head of the column. Thus, suppose the apparent tim«... | |
 | 1844 - Страниц: 328
...of the Tables. Equation of Time. When lime is deduced from observations of the San, the immediat e result is apparent time; to convert it into Mean Time,...obtained for any Time and any Meridian by means of "diff. for 1 hour," as in the foregoing example for the Sun's Right Ascension. Sidereal Time at Mean... | |
 | 1845 - Страниц: 396
...to Equal Altitudes, as will be shown in the Explanation of the Tables. Equation of Time. When lime is deduced from observations of the Sun, the immediate...obtained for any Time and any Meridian by means of "diff. for 1 hour," as in the foregoing example for the Sun's Right Ascension. Sidereal Time at Mean... | |
 | 1846 - Страниц: 646
...page II., because the equation itself varies in the interval between Apparent and Mean Noon. "Where time is deduced from observations of the Sun, the...equation of time is necessary, and it is to be applied to apparent time, according to the precept at the head of the column. Thus, suppose the apparent time... | |
 | 1850 - Страниц: 668
...page II., because the equation itself varies in the interval between Apparent and Mean Noon. Where time is deduced from observations of the Sun, the...equation of time is necessary, and it is to be applied to apparent time, according to the precept at the head of the column. Thus, suppose the apparent time... | |
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Where time is deduced from observations of the Sun, the immediate result is apparent time ; to convert it into mean time, the equation of time is necessary, and it is to be applied to apparent time, according to the precept at the head of the column.... 
