it 



Ex. Doc. No. 41. 



239 



APPENDIX No. 5— Continued. 



Time, p. m. 



m. 



s. 



k. 



4 01 14.8 



4 02 07.6 



4 03 02.2 



4 03 53.7 



4 05 12.8 



4 06 08.8 



4 07 03.7 



4 08 03.5 



August 8, 1816. 



Camp 36. 



♦ 



DETEHMINATION OF TIME. 



Double altitudes of a Aqailne 



in tlio east. 



I 



-De^. 



min. sec 



100 44 25 



100 59 55 



101 17 20 

 101 33 30 



101 57 45 



102 15 50 

 102 33 25 



102 52 





.0 



^ 



Cbronometor fast. 



S. 



h. VI. 



7 29 16.8 



7 29 20.4 



7 29 19.8 



7 29 19.7 



7 29 21.4 



7 29 19.1 



7 29 17.2 



7 29 15.1 rej 



Time, p. ra. 



A. 



m. 



4 



10 



4 



11 



s. 

 06.0 

 00.8 

 4 11 57.7 

 4 12 48.0 

 4 13 59.8 

 4 14 53.7 

 4 15 38.0 

 4 16 42.5 

 4 17 32.5 

 4 18 12.8 



^^ 





Double altitudes cf Arcturus 



in ^ho west. 





„ 



Deg.min. sec. 



IS 37 10 

 78 15 30 



i 





77 52 30 



77 32 05 



77 03 25, 



.76 41 30 



76 24 20 



75 57 35 



75 38 30 



75 21 30 



Thermometer 63 



Chronometer fast. 



S. 



7 29 17.7 



7 29 18.7 



7 29 18.9 



7 29 17.3 



7 29 17.4 



7 29 16.6 



7 29 18.1 



7 29 15.9 



7 29 18.2 



7 29 16.1 



h. in. 



s. 



17.49 



Chronometer fast by 7 obs. of east star 7,29 19.29 



a 10 " west star ••• 



E 



Mean.... 7~l9~18.34 



^ ■ 



DETERMIKATIOK OF INDEX ERROR. 



Min. sec. Min. sec. 



Onthearc... 31 40 31 35 



Cirthearc 31 45 31 45 



Index Irror = + 3.7. 



