346 



Obseevations of Magnetic Dip, January 2 — February 14, 1846. 









Needle. 



Face of Circle E. 



Face or 



ClKCLE W. 







Gbttingen 

 Mean Time, 



Middle of 

 Observation. 



Dura- 

 tion. 















Mean. 



t. 



'■ Observed >l 



Dip. 0-: 



Ic' 

 i 



Num- 

 ber. 



Tem- 

 pera- 

 ture. 



End 

 dip- 

 ping. 



Mark on Needle 

 E. W. 



Mark on Needle 

 E. W. 



d. h. m. 



m. 





o 





o , 



o , 



o 



o , 



o 



' ' \ 



Jan. 2 23 35 



40 



2 



39 



B 



72 37-0 



71 19-5 



72 9-0 



70 44-0 



71 42-37 " 



1 



Jan. 3 4 20 



30 



2 





B 



72 44-0 



71 17-5 



72 6-0 



70 47-5 



71 43-75 



% 



71 29-93* 



Jan. 5 23 12 



25 



2 



45 



A 



70 560 



72 18-5 



70 14-5 



71 280 



71 14-25 



^ 



Jan. 6 4 30 



20 



2 





A 



70 58-0 



72 17-5 



70 29-0 



71 330 



71 19-37 . 



V 



Jan. 8 22 52 



25 



2 



47 



B 



72 22-0 



71 17-5 



71 56-5 



70 49-5 



71 36-37 



\ 



Jan. 9 4 35 



20 



2 



45 



B 



72 23-0 



71 19-5 



71 540 



70 54-0 



71 37-62 



71 27-34 



Jan. 12 22 41 



22 



2 



29 



A 



71 100 



72 24-0 



70 17-0 



71 190 



71 17-50 



Vi 



Jan. 13 4 38 



15 



2 



35 



A 



71 5-0 



72 23-0 



70 15-5 



71 28-0 



71 17-87 . 



T 



Jan. 15 22 36 



18 



2 



32 



B 



72 36-0 



71 180 



71 54-0 



70 48-0 



71 39-00 ' 



1 \ 



Jan. 16 4 40 



20 



2 



35 



B 



72 30-5 



71 18-5 



71 57-0 



70 530 



71 39-75 



71 26-93 



Jan. 19 22 35 



20 



2 



44 



A 



71 30 



71 580 



70 30-5 



71 26-5 



71 14-50 



'\ 



Jan. 20 22 37 



25 



2 



39 



A 



71 17-5 



72 8-5 



70 19-5 



71 23-0 



71 17-12 ' 



\ 



Jan. 21 4 50 



20 



2 



44 



A 



71 7-0 



72 7-0 



70 22-0 



71 27-0 



71 15-75 



71 25-84 



Jan. 23 22 36 



22 



2 



38 



B 



72 14-0 



71 20-0 



71 54-5 



70 54-5 



71 35-75 



\ 



Jan. 24 4 32 



15 



2 



44 



B 



72 10-0 



71 230 



71 49-5 



70 56-5 



71 .34-75 J 



V 



Feb. 1 22 52 



25 



2 



43 



A 



71 120 



72 8-0 



70 32-5 



71 24-0 



71 1912 ] 



\ 



Feb. 2 4 43 



17 



2 



47 



A 



71 8-5 



72 3-5 



70 35-5 



71 35-0 



71 20-62 



\ 



71 28-28 



Feb. 4 22 50 



40 



2 



41 



B 



72 24-5 



71 22-5 



71 49-0 



70 54-0 



71 37-50 



1 



Feb. 5 5 20 



30 



2 



42 



B 



72 19-5 



71 26-0 



71 460 



70 52-0 



71 35-87 J 



\ 



Feb. 9 22 52 



35 



2 



31 



A 



71 20-0 



72 18-5 



70 24-5 



71 17-5 



71 20-12 ■^ 





Feb. 11 4 32 



25 



2 



44 



A 



71 100 



72 13-0 



70 32-5 



71 22-5 



71 19-50 



71 26-06 



Feb. 12 22 37 



25 



2 



44 



B 



72 18-0 



71 16-5 



71 45-0 



70 51-5 



71 32-75 



1 



Feb. 14 4 27 



15 



2 



48 



B 



72 16-5 



71 16-5 



71 45-5 



70 49-0 



71 31-87 J 



1 











* Uns 



atisfactory Observations, e 



nd B dipping 



',- 





II 



