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Books Books 1 - 4 of 4 on In this work, since the year 1 863, the difference given for a unit of time is always....  
" In this work, since the year 1 863, the difference given for a unit of time is always the difference belonging to the instant of Greenwich time against which it stands, and it expresses, therefore, the rate at which the function is changing at that instant.... "
Spherical astronomy - Page 74
by William Chauvenet - 1874
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A Manual of Spherical and Astronomy: Embracing the General Problems of ...

William Chauvenet - Spherical astronomy - 1864
...second differences to be constant and the third differences to be zero. When the American Ephemeris is employed, we can take the second differences into...uniformly, so that its value for any intermediate time may be fonnd by simple interpolation, using the second differences as first differences. K"ow, in computing...
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A Manual of Spherical and Pratical Astronomy: Embracing the ..., Volume 1

William Chauvenet - 1864
...second differences to be constant and the third differences to be zero. When the American Ephemeris is employed, we can take the second differences into...uniformly, so that its value for any intermediate time may be found by simple interpolation, using the second differences as first difi ferences. Now, in...
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A Guide Book to the Local Marine Board Examination: The Ordinary Examination

Thomas Liddell Ainsley - 1875
...take the second differences into account in a very simple manner. In this work, since the year 1863, the difference given for a unit of time is always...difference being constant) it varies uniformly, so that ita •value for any intermediate time may be found by simple interpolation, using the second differences...
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A guide book to the Local marine board examination. The ordinary examination ...

Thomas Liddell Ainsley - 1880
...take the second differences into account in a very simple manner. In this work, since the year 1 863, the difference given for a unit of time is always...uniformly, so that its value for any intermediate time may be found by simple interpolation, using the second differences as first differences. Now, in computing...
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