 | Amédée Guillemin - 1867 - 588 σελίδες
...mean solar time, so that a complete revolution (through twenty- four hours) of the heur-hand xhall be performed in exactly the same interval as the revolution...the Earth on its axis with respect to the mean Sun. As the time deduced from observation »f the true Sun is called "true" or "apparent" time, so the time... | |
 | Great Britain. Nautical Almanac Office - 1869 - 624 σελίδες
...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...oh om os, it would again be observed there when the hour hand returned to the same position. As the time deduced from observation of the true Sun is called... | |
 | 1869 - 624 σελίδες
...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...If the mean Sun could be observed on the meridian Ht the instant that the clock indicated oh om o", it would again be observed there when the hour hand... | |
 | Amédée Guillemin - 1871 - 464 σελίδες
...to mean solar time, so that a complete revolution |through twenty-four hours) of the hour-hand shall be performed in exactly the same interval as the revolution...the Earth on its axis with respect to the mean Sun. As the time deduced from observation of the true Sun is called ' true' or 'apparent' time, so the time... | |
 | Amédée Guillemin - 1871 - 452 σελίδες
...to mean solar time, so that a complete revolution (through twenty-four hours) of the hour-hand shall be performed in exactly the same interval as the revolution of the Earth on its a\is with respect to the mean Sun. As the time deduced from observation of the true Sun is called 'true... | |
 | Amédée Guillemin - 1872 - 460 σελίδες
...to mean solar time, so that a complete revolution (through twenty-four hours) of the hour-hand shall be performed in exactly the same interval as the revolution...the Earth on its axis with respect to the mean Sun. As the time deduced from observation of the true Snn is called 'trae'nr 'apparent' time, so the time... | |
 | 1873 - 572 σελίδες
...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...meridian at the instant that the clock indicated oh om o', it would again be observed there when the hour hand returned to the same position. As the time... | |
 | Great Britain. Nautical Almanac Office - 1873 - 574 σελίδες
...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 mean Sun could be observed on the meridian at 1 1n- instant that the clock indicated oh om o', it would again be observed there when the hour hand... | |
 | Robert Potts - 1876 - 389 σελίδες
...solar time ; so that a complete revolution through 24 hours of the hour hand of the Astronomical clock should be performed in exactly the same interval as...the earth on its axis with respect to the mean sun. the sixth hour (John xix. 14), and the twelfth hour ended at sunset. The third hour divided the interval... | |
 | Amédée Victor Guillemin - 1876 - 488 σελίδες
...to mean solar time, so that a complete revolution (through twenty-four hours) of the hour-hand shall be performed in exactly the same interval as the revolution...the Earth on its axis with respect to the mean Sun. As the time deduced from observation of the true Sun is called ' true ' or ' apparent ' time, so the... | |
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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... 
