Ex. Doc. No. 41. 



181 



APPENDIX No. 5— ConClnueJ. 



June 21j 1846. — Fort Leavenworth. 



DETERMINATION OF TIME. 



Time, p. ra. 



h. VI. ' s. 



4 27 39.8 



4 29 18.0 



4 30 32.0 



4 32 30.2 



4 33 59.1 



4 35 31.5 



4 37 14.7 



4 38 52.8 



4 40 35.3 



4 42 17.0 



Double altitude of Arcturus 



in the west. 



I 



Deg. 



mm. sec 



126 57 50 



126 08 10 



125 46 50 



125 10 20 



124 44 00 



124 14 40 



123 43 00 



123 12 05 



122 41 15 



122 08 00 



Chronometer fast 



6 53 

 G 53 



h, m. s. 



6 53 19.2 



6 53 17.4 



6 53. 20.2 



6 53 18.5 



6 53 20.2 



6 53 17.0 



6 53 18.1 



6 53 17.2 



21.9 rej 

 IS. 7 



Thermometer 60^. 



( 



h 



m. 



s. 



Chronometer fast by 10 obs. of east star ,. 6 55-15.68 



Chronometer fast by 9 obs. of west star , • ^ 18.50 



M 



can 



6 53 17.09 



pW 



DETEKMINATXOK OF INDKX ERROR 



Oflf the arc 

 On the arc 



f 



31 50 

 31 10 



i 



Index error 



+ 20 



*f 



-r 



i 



•I 



W^ 



M 



4 



S 



^«i 



I 



