Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 7American Philosophical Society, 1967 |
З цієї книги
Результати 1-3 із 34
Сторінка 28
... equal altitudes of a Cygni , observed East and West . August 12th . Observed double alti- tudes , E and W. , corrected for index error of the Sextant . 111 41 00 112 30 10 113 29 35 Times by Sidereal Chronometer No. 2557 . Observed East ...
... equal altitudes of a Cygni , observed East and West . August 12th . Observed double alti- tudes , E and W. , corrected for index error of the Sextant . 111 41 00 112 30 10 113 29 35 Times by Sidereal Chronometer No. 2557 . Observed East ...
Сторінка 103
... equal altitudes of the sun , observed A. M. and P. M. , middle time of observations being apparent noon , or say ( 20h . 22m . ) sidereal time of the 22d , + 59 09.33 2d Set . By 10 observations on ẞ Geminorum , east , ( at 28h . 26m ...
... equal altitudes of the sun , observed A. M. and P. M. , middle time of observations being apparent noon , or say ( 20h . 22m . ) sidereal time of the 22d , + 59 09.33 2d Set . By 10 observations on ẞ Geminorum , east , ( at 28h . 26m ...
Сторінка 113
... equal altitudes . All things considered , we think the two results of 1859 are each entitled to twice the weight of that of 1858 . On this principle the final result is presented , as follows , viz.— SUMMARY . - Longitude of the Centre ...
... equal altitudes . All things considered , we think the two results of 1859 are each entitled to twice the weight of that of 1858 . On this principle the final result is presented , as follows , viz.— SUMMARY . - Longitude of the Centre ...
Інші видання - Показати все
Загальні терміни та фрази
12 observations 1st Mean 1st Set 2d Set Acad Academy April Bache Buffalo Chicago by mean Chicago mean solar Chicago observing station Chicago reduced sidereal Chicago signals City of Rock Cleveland comparison-Chronometer Coronæ correct sidereal Cresson Cygni dated dereal Determination Difference of Longitude Dunleith east Electric signals sent Elyria fast of sidereal following donations Franklin Institute Fulton goth Isaac Lea January January 21 John Reynell Journal July June Latitude Leonis Library were announced Longitude of Chicago Madison March mean solar Chronometer meridian of Chicago meridian of Greenwich Michigan City Nuttall Pending nomination Phila Philadelphia Polaris Prairie du Chien Proc Proceedings Prof Rate per mean Rate per sidereal Report Result adopted-Chronometer Rock Island sent from Chicago shine Sidereal chronometer sidereal day sidereal hour signals given signals recorded slow of mean sound station at 9h Street time-observations tion Toledo