Ex. Doc. No. 41. 



/ 



30** 



O 



t 



^ 



. TimCj p. m. 



p^ 



h. m. s. 



- 3 45 10.2 



3 46 15.2 



3 47 C6.8 



3 47 56,2 



3 48 56.2 



3 49 47.8 



3 51 16.0 



^ 





I 



iPP 



ENDIX 



No. 5— Cent 



:lnuecl. 



- 



# 



• 





1 



r 



Octoher 17, 



1S46, — Camp 75. 



r "^ 





L 



» 





1 



DETERMINATION OF TIME. 





^ 



1 



^ ■ 



Time J 



p. m. 





■f 



Double altitudes of a An- 



■ 1 1 1 t M 



% 



Chronometer fast. " . 





r 







dromcdte 



: in the east- 



J 











1 



A. 



m. 



r 

 1 



s. 



n 



Deg. 



1 



min. sec. 



i 



m. 



s. 



3 



35 



11.8 





99 



49 50 



8 



25 



53.9 



3 



36 



11.8 





100 



14 55 



8 



25 



54.0 



3 



36 



58.0 





100 



35 10 



8 



25 



51.8 



3 



37 



49.5 





100 



56 10 



8 



25 



53.2 . 



3 



38 



-IT 



38.5 





101 



16 40 



8 



25 



53.4 . 



3 



39 



30.0 





101 



38, 15 



8 



25 



53.3 



3 



40 



13.5 



« 



101 



1 



-" ■ -, ~ - 



55 50 



8 



1 



25 



54.9 



Thermometer 38 



Double altitudes of a Lyrse 



in the ■w^est. 



Deg. min. sec 

 111 29 55 

 117 03 30 

 116 43 50 

 116 24 20 

 116 

 115 

 115 



00 



25 



40 



25 



C6 



25 



""m 



Chronometer fast 



m. 



s. 



h. 



8 25 57.8 



8 25 55.3 



8 25 56.6 



8 25 ^56.2 



8 25 54.9 



8 25 55.4 



8 25 56.8 



'i' 



4 



k, tn^ 



s. 



Chronometer fast by 7 obs, of east star 8 25 53.50 



Clrouometer fast by 7 obs. of west star 8 25 56.14 



Mean.,, S 25 54.82 



