Term-Day Observations of Magnetometers, 1845. 



77 



Si.ttinsen 

 lean Time 



of 

 )cclinatioii 

 bservatioti. 



May 30, 31. 





June 18, 19. 





Declina- 

 tion. 



Bifilar 

 Corrected. 



Balance 

 Corrected. 



Declina- 

 tion. 



Bifilar 

 Corrected. 



Balance 

 Corrected. 



Declina- 

 tion. 



Bifilar 

 Corrected. 



Balance 

 Corrected. 



Declina- 

 tion. 



Bifilar 

 Corrected. 



Balance 

 Corrected. 



Min. 



o , 



.Sc. Div. 



Mic. Div. 



Sc.Div. 



Mic. Div. 



o 



Sc. Div. 



Mlc. Div. 



" 



Sc. Div. 



Mic. Div. 



i 



2h. 





6\ 





lo^ 





14". 









25 29-93 



531-5 



500-6 



25 14-40 



544-2 



544-0 



25 10-63 



547-9 



502-4 



25 10-16 



•546-0 



490-3 



5 



31-34 



531-8 



501-8 



13-47 



539-2 



547-2 



10-53 



547-9 



501-0 



10-27 



546-8 



}> 



10 



33-43 



537-2 



498-4 



12-75 



536-5 



550-9 



10-47 



547-5 



500-3 



10-40 



546-3 



488-9 



15 



34-44 



548-4 



493-3 



12-31 



536-7 



551-8 



10-43 



547-2 



500-6 



10-34 



545-6 



)? 



20 



33-53 



559-4 



488-9 



11-99 



536-2 



553-5 



10-36 



547-7 



500-0 



10-07 



544-9 



489-1 



25 



30-79 



556-7 



490-7 



11-62 



538-4 



551-7 



10-54 



547-8 



499-7 



09-93 



544-9 



488-3 



30 



29-27 



547-0 



496-7 



11-51 



541-8 



550-6 



10-61 



547-4 



499-6 



09-98 



544-0 



487-7 



35 



29-16 



543-5 



502-1 



11-51 



543-0 



549-3 



10-63 



546-8 



499-5 



09-56 



544-5 



487-0 



40 



29-36 



537-8 



506-9 



11-44 



545-6 



548-0 



• 10-43 



547-1 



4990 



09-66 



544-8 



j» 



45 



30-10 



536-0 



511-5 



11-52 



545-3 



546-5 



10-38 



546-0 



499-6 



09-74 



541-9 



489-1 



50 



31-26 



532-0 



516-2 



11-57 



540-4 



546-9 



10-40 



544-9 



499-4 



09-33 



542-7 



35 



55 



31-86 



533-7 



518-5 



11-82 



539-8 



544-8 



10-30 



546-3 



499-2 



09-56 



543-3 



489-3 





3"^. 





7". 





U\ 





15''. 









25 31-52 



534-6 



520-8 



25 11-96 



539-6 



543-2 



25 10-14 



546-9 



499-1 



25 09-87 



543-6 



489-5 



5 



31-75 



538-3 



523-7 



12-08 



540-4 



543-1 



10-33 



547-2 



498-3 



09-80 



544-4 



J) 



10 



31-92 



540-1 



525-5 



11-91 



542-8 



540-2 



10-33 



546-9 



498-3 



10-03 



544-4 





15 



31-01 



536-9 



526-9 



11-71 



544-2 



537-3 



10-40 



546-8 



498-7 



1001 



544-5 



488-9 



20 



30-04 



534-8 



536-9 



11-46 



545-2 



534-6 



10-43 



545-9 



498-7 



09-80 



544-9 



487-9 



25 



29-50 



529-6 



541-1 



11-44 



546-9 



532-2 



10-36 



544-7 



498-8 



09-96 



545-0 



487-2 



30 



29-06 



531-7 



543-0 



11-21 



551-5 



529-8 



10-30 



546-1 



498-5 



10-09 



544-6 



„ 



35 



29-14 



531-0 



544-3 



11-25 



552-9 



528-9 



10-34 



546-5 



497-9 



10-06 



544-5 



487-6 



40 



28-40 



529-7 



544-8 



11-57 



549-4 



529-2 



10-45 



546-1 



497-9 



10-00 



544-4 



486-9 



45 



26-35 



529-9 



545-7 



12-11 



546-7 



529-5 



10-20 



546-1 



4977 



09-93 



544-2 



487-5 



50 



25-47 



532-4 



546-7 



12-20 



547-6 



527-0 



10-33 



545-9 



497-5 



09-79 



544-3 



J5 



55 



25-19 



537-0 



546-6 



11-89 



547-1 



525-8 



10-25 



545-6 



497-9 



09-69 



544-1 



488-8 





4h. 





8\ 





12\ 





16h. 









25 24-73 



539-1 



546-1 



25 11-39 



544-4 



524-7 



25 1011 



546-0 



497-6 



25 09-49 



544-0 



489-0 



5 



24-17 



542-6 



544-5 



11-37 



544-3 



523-8 



10-23 



546-1 



497-0 



09-39 



544-0 



)) 



10 



23-19 



540-4 



545-4 



10-77 



544-4 



523-4 



10-23 



545-4 



497-0 



09-40 



543-4 



488-8 



15 



22-71 



545-8 



543-0 



10-14 



545-6 



522-5 



10-14 



543-9 



497-1 



09-15 



543-9 



489-7 



20 



22-65 



550-8 



539-1 



09-82 



548-3 



521-5 



09-98 



541-2 



499-2 



09-29 



543-7 



489-7 



25 



21-71 



550-6 



544-4 



08-79 



549-5 



521-1 



09-87 



540-8 



499-8 



09-20 



544-0 



J) 



30 



21-34 



551-1 



543-8 



07-99 



552-8 



521-4 



09-98 



542-4 



499-2 



09-29 



544-8 



490-8 



35 



20-89 



546-6 



546-1 



07-98 



553-3 



521-5 



10-23 



542-9 



498-4 



09-05 



545-5 



491-6 



40 



20-08 



530-6 



551-4 



08-56 



551-9 



521-7 



10-14 



543-7 



498-1 



09-29 



543-8 



491-6 



45 



19-59 



531-7 



552-5 



09-26 



549-6 



521-8 



10-23 



544-5 



497-6 



08-97 



543-6 



„ 



50 



18-16 



533-4 



551-1 



09-53 



546-5 



522-9 



10-31 



545-8 



496-9 



08-58 



543-8 



491-5 



55 



17-74 



542-8 



552-5 



09-59 



547-1 



524-9 



10-31 



545-3 



496-2 



08-55 



543-2 



491-4 





5". 





9^ 





13^ 





17^ 









25 17-06 



545-7 



548-4 



25 09-66 



546-3 



525-5 



25 10-23 



545-3 



495-2 



25 08-14 



543-1 



492-0 



5 



16-87 



546-9 



545-8 



09-86 



545-6 



526-9 



10-13 



545-3 



496-8 



08-34 



543-2 



491-4 



10 



16-86 



540-7 



545-8 



1000 



546-3 



527-0 



10-31 



545-3 



494-4 



07-94 



541-9 



„ 



15 



17-24 



532-5 



546-7 



10-16 



547-0 



525-3 



10-18 



544-8 



JJ 



08- U 



540-8 



493-9 



20 



16-70 



531-7 



545-8 



10-36 



545-7 



526-1 



10-00 



544-4 



494-3 



07-81 



540-8 



494-0 



25 



16-19 



534-5 



543-9 



10-48 



546-5 



525-2 



10-04 



545-1 



493-9 



07-44 



540-2 



494-1 



30 



16-08 



544-3 



539-3 



10-30 



546-3 



525-2 



10-11 



545-1 



490-8 



07-99 



540-1 



494-9 



35 



16-39 



555-0 



530-9 



10-33 



546-0 



>> 



10-03 



544-7 



491-9 



07-62 



539-9 



495-4 



40 



16-77 



561-0 



529-4 



10-77 



546-2 



526-5 



10-01 



544-8 - 



492-3 



07-38 



539-7 



495-5 



45 



16-59 



560-6 



528-7 



11-07 



546-2 



526-0 



10-13 



545-1 



492-2 



06-36 



537-9 



496-3 



50 



16-19 



556-0 



532-9 



11-30 



545-1 



525-9 



10-13 



545-2 



jj 



07-49 



538-7 



496-1 



55 



15-14 



550-4 



537-9 



11-28 



544-6 



525-3 



10-20 



545-3 



489-3 



06-77 



537-9 



495-5 



BiFILA 



R. Observed 2™ after 



the Declir 



lation, fc=0-000140. 





Balance. Observed i 



> after th 



e Declination, A=:0 00( 



)010. 



' The te 

 Observat 

 When 

 position I 



mperature of the bifilar 

 ons of Magnetometers, 

 double commas („) occu 

 )eing appreciable, the n 



and balan 



r in the cc 

 licrometer 



ce magnets, and the ob 



lumn for the balance m 

 s were not altered. 



servers' in 

 lagnetome 



itials, will be found at 

 ;er, the needle v?as exa 



the corre 

 Tained, am 



spending hours in the 

 [ no change from the p 



Hourly 



revious 



MAG. 



AND MET. 



Bs. 1845. 



















u 





