196 



Ex. Doc. No. 41. 



APPENDIX No. o— Continued. 



July 5. 1816.— Co77ip 8, Big John Spring. 



I 



.» 



Time, a. m 



10 31 28.0 



10 32 30.8 



10 33 37.0 



10 34 57.9 



10 Se- 25.8 



10 38 06.2 



10 39 10.0 



10 40 09.7 



10 41 01.5 



10 42 03.2 



i 



DETERMINATION OF TIME. 



zx. 



Double altitudes of a Aquilfe 



in the west. 



■ 



Beg 



So 



mm. sec 



48 

 2S ■ 



40 

 30 



85 



85 04 20 



84 36 05 



84 06 35 



83 31 25 



83 09 3o 



82 48 30 



82 28 40 



82 08 30 



« 



w4-wt 



\ 



Chronometer fast. 



h. m. s. 



6 58 47.9 



6 58 50.8 



6 58 46.6 



6 58 47.4 



6 58 47.9 



6 58 46.8 



6 58 47.9 



6 58 47.0 



6 58 44 .9 rej 



6 58 46.0 



Mean of 9 obseryations, 6h. 58w. 47.59i' 



/ 



*■■ 



f 



