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" Ascension, and the interval between the departure of any meridian from the mean Sun and its succeeding return to it is the duration of the mean solar day. Clocks and chronometers are adjusted to mean solar time ; so that a complete revolution (through... "
A Complete Epitome of Practical Navigation, and Nautical Astronomy ... - Page 221
by John William Norie, J. W. Saul - 1917 - 595 pages
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The Nautical Almanac and Astronomical Ephemeris for the Year ...

Ephemerides - 1833 - 634 pages
...are adjusted to mean solar time; во that a complete revolution (through 24 hours) of the hour hand of one of these machines should be performed in exactly...observed on the meridian at the instant that the clock or chronometer indicated O1' Om 0', it would again be observed there when the hour hand returned to...
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The Nautical Almanac and Astronomical Ephemeris for the Year ...

Nautical almanacs - 1834 - 694 pages
...arc adjusted to mean solar time; so that a complete revolution (through 24 hours) of the hour hand of one of these machines should be performed in exactly the same interval as the revolution of the Eartli on its axis with respect to the mean Sun. If the mean Sun could be observed on the meridian...
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The Nautical Almanac and Astronomical Ephemeris for the Year ...

Ephemerides - 1841 - 630 pages
...are adjusted to mean solar time j so that a complete revolution (through 24 hours) of the hour hand of one of these machines should be performed in exactly...observed on the meridian at the instant that the clock or chronometer indicated Ou Ora 0", it would again be observed there when the hour hand returned to...
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The Nautical Almanac and Astronomical Ephemeris for the Year ...

Ephemerides - 1842 - 624 pages
...are adjusted to mean solar time ; so that a complete revolution (through 24 hours) of the hour hand of one of these machines should be performed in exactly...observed on the meridian at the instant that the clock or chronometer indicated O b O m 0', it would again be observed there when the hour hand returned to...
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The Nautical Almanac and Astronomical Ephemeris for the Year ...

Ephemerides - 1843 - 634 pages
...are adjusted to mean solar time ; so that a complete revolution (through 24 hours) of the hour hand of one of these machines should be performed in exactly...observed on the meridian at the instant that the clock or chronometer indicated Oh Om 0", it would again be observed there when the hour hand returned to...
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The Nautical Almanac and Astronomical Ephemeris for the Year ...

Nautical almanacs - 1843 - 650 pages
...are adjusted to mean solar time ; so that a complete revolution (through 24 hours) of the hour hand of one of these machines should be performed in exactly...revolution of the Earth on its axis with respect to the niciin Sun. If the mean Sun could be observed on the meridian at the instant that the clock or chronometer...
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The Nautical Almanac and Astronomical Ephemeris for the Year ...

Ephemerides - 1846 - 646 pages
...are adjusted to mean solar time ; so that a complete revolution (through 24 hours) of the hour hand of one of these machines should be performed in exactly...observed on the meridian at the instant that the clock or chronometer indicated Oh 0™ 0', it would again be observed there when the hour hand returned to...
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The Nautical Almanac and Astronomical Ephemeris for the Year ...

Ephemerides - 1850 - 668 pages
...are adjusted to mean solar time; so that a complete révolutioii (through 24 hours) of the hour hand of one of these machines should be performed in exactly...observed on the meridian at the instant that the clock or chronometer indicated O h 0" 0', it would again be observed there when the hour hand returned to...
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The Nautical Almanac and Astronomical Ephemeris

Great Britain. Nautical Almanac Office - 1852 - 676 pages
...are adjusted to mean solar time ; so that a complete revolution (through 24 hours) of the hour hand of one of these machines should be performed in exactly the same interval ns the revolution of the Earth on its axis with respect to the mean Sun. If the mean Sun could be observed...
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The Nautical Almanac and Astronomical Ephemeris

Great Britain. Nautical Almanac Office - 1853 - 698 pages
...are adjusted to mean solar time ; so that a complete revolution (through 24 hours) of the hour hand of one of these machines should be performed in exactly...observed on the meridian at the instant that the clock or chronometer indicated oh om o9, it would again be observed there when the hour hand returned to...
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