Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Томи 7 – 8American Philosophical Society, 1861 |
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... difference of longitude between those two places , and the longitude of Ashtabula west of the meridian of Green- wich , as follows , viz : - The rate of the sidereal chronometer , from the period of its determi- nation this night , back ...
... difference of longitude between those two places , and the longitude of Ashtabula west of the meridian of Green- wich , as follows , viz : - The rate of the sidereal chronometer , from the period of its determi- nation this night , back ...
Сторінка 49
... Latitude ( approximate ) as before , VIII . ERIE , PENNSYLVANIA . Difference of Longitude by each signal.- Ashtabula East of the meridian of Chicago observing station , No. 3 . h . m . S. 0 27 21.41 0 27 21.41 0 27 21.43 0 27 21.43 0 27 ...
... Latitude ( approximate ) as before , VIII . ERIE , PENNSYLVANIA . Difference of Longitude by each signal.- Ashtabula East of the meridian of Chicago observing station , No. 3 . h . m . S. 0 27 21.41 0 27 21.41 0 27 21.43 0 27 21.43 0 27 ...
Сторінка 50
... meridian transit ) Result adopted - Chronometer No. 2557 , fast of si- dereal time for this station ( at 20h . 10m . ) 3d . The Longitude . + 34 02.73 - 34 02 62 In obtaining the difference of longitude between Erie and Chicago , we use ...
... meridian transit ) Result adopted - Chronometer No. 2557 , fast of si- dereal time for this station ( at 20h . 10m . ) 3d . The Longitude . + 34 02.73 - 34 02 62 In obtaining the difference of longitude between Erie and Chicago , we use ...
Сторінка 51
American Philosophical Society. Determination of the difference of Longitude between Chicago and Erie , Pennsylvania ... longitude , of Chicago Observing Station No. 3 , by a mean of the two sets of signals , Difference of Longitude by ...
American Philosophical Society. Determination of the difference of Longitude between Chicago and Erie , Pennsylvania ... longitude , of Chicago Observing Station No. 3 , by a mean of the two sets of signals , Difference of Longitude by ...
Сторінка 53
... there on the nights of August 4th and 12th , combined with the following telegraphic signals , give us the longitude of Toledo , Ohio , as follows , viz : - Determination of the Difference of Longitude between Chicago and Toledo 53.
... there on the nights of August 4th and 12th , combined with the following telegraphic signals , give us the longitude of Toledo , Ohio , as follows , viz : - Determination of the Difference of Longitude between Chicago and Toledo 53.
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12 observations 1st Mean 1st Result-Chronometer 1st Set 2d Result-Chronometer 2d Set 9 observations Acad Academy April Buffalo Chicago by mean Chicago mean solar Chicago observing station Chicago reduced sidereal Chicago signals circum-meridian altitudes City of Rock Cleveland comparison-Chronometer correct sidereal Cygni dated deceased dereal Difference of Longitude Dunleith east Electric signals sent Elyria fast at 15h fast of sidereal following donations Franklin Institute Fulton Geminorum goth Inst Isaac Lea January John Reynell Journal June Latitude Leonis letter Library were announced Longitude of Chicago Madison March mean solar Chronometer mean solar day meridian of Chicago meridian of Greenwich Michigan City Nuttall Pending nomination Philadelphia Polaris Prairie du Chien Proceedings Prof Rate per sidereal Report Result adopted-Chronometer Result-Chronometer Rock Island sent from Chicago Sidereal chronometer sidereal day signals given slow of mean station at 10h Toledo
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