Ex. Doc. No. 41 



/ 



Time, a. m 



h. in. S.. 



4 51 25.^ 



4 -51 57.0 



4 52 2S.8 



4 53 01.0 



. 4 53 33.5 



4-54 04.7 



4 54 37.3 



4 55 09.2 



4 '55 41.5 



4 66 12.5 



'4 56 45.0 



4 57 18.2 



4 57 49.3 



Ther. 60^ 



APPENDIX No. 5— Continued. 



Octoher 11, 1846.— Ca7?rp' 70 



DETERMINATION OF TIME. 



Dqual altitudes of the sun 



Double altiludes of 

 snn's upper limb. 



Time, p. m 



Chronometer fast.' 



Deg.inin. 

 72' 00 



72 10 



72 20 



72 30 



72 40 



72 50 



73 '00 

 73 10 

 73 20 . 

 73 30 

 73 40 



73 50 



74 00 



h. m. s. 



9 56 54.5 



9 56 21.7 



9 55 50.3 



9 55 19.0 



9 54 46.0 



9 54 18,8 



9 53 43.0 



9 53 09.0 



9 52 -38.5 



9 52 05.8 



1 



h. 7il. 



6. 



7 37 



35.60 



7 37 



35.05 



Ther. 80^ 



7 37 35.25 



7 37 35.70 



7 37 . 35.45 



7 37 37.45 



7 37 35.85 



7 37 ?A . 80 



7 37 35.70 



7 37 34 . 85 



Mean of 9 observationsj Ih. 377n. 55.36s 



I 



-*fc 



I 



rej 



V 



■* 



■f_ 



