AT THE OBSERVATORY, CAMBRIDGE, MASS. 



NOVEiMBER 21 and 22, 1849. 



455 



A o. 



Micr. No. of 

 Rev. obs. 

 74.333 



h. in. s. 



Mean . . . . 10 11 8.23 3 58.06 

 Chronometer fast 53.33 0.09 Zero, 50.043 



Bid. time . . . 10 10 14.90 3 57.97 24.292 6 



Ext. ther. 36. 



Micr. No. of 

 Rev, oba. 

 76.001 



A S. 



h. m. s. &quot; 



Mean . . . 10 20 15.00 4 14.38 

 Chronometer fast 53.33 0.09 Zero, 50.043 



Sid. time . . .101921.67 414.29 25.957 5 



Observer, G. P. B. 



NOVEMBER 36 and 27, 1849. 



h. m. s. 



Mean 105935.20 011.95 



Chronometer fast . . 56.55 0.00 



Sid.time 105833.65 011.93 



Ext. ther. 41. Observer, G. P. B. 



Micr. 

 Rev. 

 48.810 

 Zero, 50.029 

 1.219 



No. of 



NOVEMBER 30 and 31, 1849. 



A A 



h. m. s. i &quot; 



Mean . . . . 10 54 0.33 3 3.06 

 Chronometer fast . 1321.00 0.10 Zero, 50.000 

 Sid. time . . 104039.33 3 2. 18.680 



Micr. No. of 

 Rev. obs. 

 31.329 



Micr. No. of 

 Rev. obs. 

 29.470 



Ext. ther. 30. 



A*. 



h. TO. s. &quot; 



Mean . . . . 11 1 45.00 3 21.19 

 Chronometer fast . 1321.00 0.11 Zero, 50.000 

 Sid. time . . .104824.00 321.08 20.530 1 



Observer, G. P. B. 



DECEMBER 6 and 7, 1849. 



