44 



Hourly Observations of Magnetometers, August 17 — 22, 1845. 



Gbtting 



en 





BiFILAR. 



Balance. 





Gbttingen 





BiFILAR. 



Balance. 



Vi 



Mean Time 



Declina- 











r^ .—^ 



Mean Time 



Declina- 











of Declina- 



tion. 



Cor- 



Thermo- 



Cor- 



Thermo- 



II 



of Declina- 



TION. 



Cor- 



Thermo- 



Cor- Thermo- 



2 C 



tion Ob 



s. 





rected. 



meter. 



rected. 



meter. 



O 



tion Obs. 





rected. 



meter. 



rected. meter. 



o 



r]. h. 



m. 



o 



Sc. Div. 



o 



Mic. DiT. 



o 





d. li. 



m. 



o 



Sc. Div. 



« 



Mic. Div. 







17 13 







25 01-34 



531-8 



56-2 



421-8 



56-4 



B 



19 21 







25 05-67 



528-7 



53-7 



472-5 



53-5 



B 



14 







04-91 



537-8 



56-0 



434-0 



56-2 



B 



22 







09-29 



520-1 



53-6 



474-9 



53-5 



W 



15 



of 



16-15 



529-5 



55-9 



423-3 



561 



B 



23 







14-41 



516-0 



53-6 



477-6 



53-5 



W 



16 



of 



08-25 



548-2 



55-8 



366-3 



56-0 



B 



20 







16-75 



521-6 



53-6 



476-0 



53-7 



W 



17 



Of 



01-95 



538-4 



55-7 



404-0 



55-9 



B 



1 







17-67 



527-4 



53-7 



474-9 



53-9 



B 



18 







11-101 



525-6 



55-6 



425-2 



55-8 



B 



2 







18-32 



535-2 



53-7 



475-1 



54-2 



W 



19 







10-33 1 



527-9 



55-4 



428-6 



55-7 



H 



3 







17-13 



541-4 



53-9 



479-4 



54-4 



W 



20 







13-22 



530-4 



55-3 



440-7 



55-6 



H 



4 







14-80 



550-3 



54-0 



482-2 



54-6 



W 



21 







11-69 



528-7 



55-4 



444-7 



55-8 



W 



5 







11-96 



5531 



54-3 



488-9 



54-8 



W 



22 







11-79 



518-1 



55-4 



449-4 



56-0 



H 



6 







10-09 



553-0 



54-4 



489-2 



55-0 



H 



23 







13-17 



518-5 



55-8 



438-8 



56-4 



H 



7 







08-46 



547-5 



54-5 



486-4 



55-2 



H 



18 







16-15 



516-4 



56-3 



446-8 



57-2 



H 



8 







08-83 



545-8 



54-5 



480-1 



55-2 



H 



1 







19-86 



523-6 



57-0 



471-8 



58-2 



H 



9 







08-79 



550-5 



54-5 



474-7 



55-0 



H 



2 







19-51 



535-7 



57-8 



489-6 



59-2 



H 



10 







09-56 



546-1 



54-4 



475-1 



55-0 



H 



3 







19-61 



542-7 



58-5 



494-0 



59-7 



H 



11 







09-35 



545-0 



54-3 



472-0 



54-7 



B 



4 







1813 



548-0 



59-0 



497-6 



60-2 



H 



12 







09-13 



543-4 



54-1 



472-2 



54-5 



B 



5 







12-55 



539-5 



59-4 



496-6 



60-7 



H 



















6 







08-90 



544-2 



59-9 



492-4 



60-8 



B 



13 







25 08-82 



543-0 



54-0 



472-0 



54-2 



B 



7 







07-98 



543-4 



60-0 



488-5 



60-9 



B 



14 







08-68 



543-4 



53-8 



472-4 



54-0 



B 



8 







08-99 



542-5 



60-1 



477-1 



60-9 



B 



15 







09-30 



545-0 



53-7 



472-4 



53-7 



B 



9 







09-39 



546-4 



60-2 



466-9 



60-7 



B 



16 







07-64 



544-3 



53-5 



472-6 



53-5 



B 



10 







09-42 



5450 



60-0 



464-3 



60-5 



B 



17 







06-79 



542-8 



53-3 



478-3 



53-3 



B 



U 







09-27 



543-5 



59-8 



462-7 



60-2 



W 



18 







05-15 



539-8 



53-1 



482-4 



53-0 



B 



12 



2 



09-60 



539-8 



59-5 



463-4 



59-8 



W 



19 







04-37 



536-2 



53-0 



482-7 



52-9 



H 



















20 







03-99 



530-0 



52-8 



485-6 



52-9 



H 



13 







25 09-69 



538-4 



59-3 



464-1 



59-5 



W 



21 







04-55 



520-6 



52-8 



485-6 



52-9 



W 



14 







09-49 



539-1 



59-0 



465-5 



59-1 



W 



22 







07-37 



513-9 



52-8 



483-2 



53-2 



H 



15 







09-56 



539-9 



58-7 



466-0 



58-7 



W 



23 







11-44 



514-4 



53-0 



474-5 



53-4 



H 



16 







09-02 



538-9 



58-4 



467-3 



58-4 



W 



21 







15-91 



520-8 



53-3 



466-3 



54-3 



H 



17 







08-45 



538-4 



58-1 



471-1 



58-0 



W 



I 







18-70 



529-8 



53-9 



464-4 



55-0 



H 



18 







07-37 



537-6 



57-8 



476-3 



57-7 



W 



2 







18-77 



539-4 



54-3 



459-8 



55-5 



H 



19 



25 



05-92 



531-8 



57-5 



482-9 



57-2 



B 



3 







16-68 



543-0 



54-8 



466-3 



55-8 



H 



20 







06-53 



529-3 



57-3 



484-8 



57-1 



B 



4 







14-28 



546-0 



55-0 



476-4 



56-2 



H 



21 







05-92 



521-4 



57-1 



480-5 



57-0 



H 



5 







11-51 



547-1 



55-5 



480-3 



56-5 



H 



22 







09-79 



517-4 



57-0 



478-3 



57-0 



H 



6 







09-96 



546-2 



55-9 



481-2 



56-7 



B 



23 







14-13 



516-1 



57-0 



474-7 



57-2 



H 



7 







09-86 



547-8 



56-1 



476-8 



57-0 



B 



19 







16-06 



533-4 



57-0 



460-8 



57-3 



B 



8 







10-41 



547-5 



56-3 



470-5 



570 



B 



1 







17-70 



536-4 



57-1 



458-9 



57-3 



B 



9 







10-23 



547-7 



56-3 



468-9 



57-0 



B 



2 







18-43 



535-6 



57-1 



462-5 



57-3 



B 



10 







10-00 



545-6 



56-2 



467-0 



56-7 



B 



3 







19-28 



542-8 



57-1 



469-4 



57-3 



B 



11 







10-20 



543-8 



56-0 



466-2 



56-5 



W 



4 







17-02 



540-2 



57-0 



483-5 



57-2 



B 



12 







09-19 



543-2 



55-7 



463-6 



56-0 



W 



5 







14-33 



552-0 



57-0 



476-1 



57-1 



H 



















6 







10-94 



549-2 



56-9 



476-2 



56-9 



W 



13 







25 08-82 



542-9 



55-4 



464-4 



55-6 



W 



7 







09-59 



547-2 



56-8 



478-9 



56-7 



W 



14 







07-87 



548-0 



55-1 



463-3 



55-1 



W 



8 







10-04 



550-9 



56-6 



474-6 



56-4 



W 



15 







08-14 



547-2 



54-7 



464-7 



54-5 



W 



9 







09-71 



549-2 



56-4 



472-2 



56-2 



W 



16 







07-37 



544-7 



54-2 



467-5 



53-8 



W 



10 







09-73 



547-3 



56-1 



470-2 



55-9 



W 



17 







06-90 



543-8 



53-7 



470-0 



53-1 



W 



11 







09-35 



546-6 



55-8 



470-6 



55-7 



H 



18 







05-36 



539-0 



53-2 



476-8 



52-5 



W 



12 







09-08 



545-0 



55-6 



471-6 



55-4 



H 



19 







05-52 



537-2 



52-8 



482-3 



52-0 



B 



















20 







04-37 



533-6 



52-5 



484-3 



51-8 



B 



13 







25 08-45 



544-5 



55-3 



470-7 



55-2 



H 



21 







05-80 



527-1 



52-2 



483-4 



51-7 



H 



14 







09-02 



543-5 



55-1 



471-7 



55-0 



H 



22 







09-79 



522-8 



52-2 



485-9 



52-1 



H 



15 







09-76 



543-0 



54-9 



468-9 



54-6 



H 



23 







13-77 



522-9 



52-3 



474-8 



52-7 



H 



16 







09-19 



541-6 



54-7 



4670 



54-3 



H 



22 







17-70 



529-9 



52-8 



475-7 



53-6 



B 



17 







09-02 



542-1 



54-4 



464-8 



54-0 



H 



1 







18-84 



5.34-8 



53-5 



477-1 



54-8 



H 



18 







06-77 



537-6 



54-2 



470-4 



53-8 



H 



2 







20-08 



544-1 



54-6 



471-6 



55-8 



B 



19 







06-88 



534-4 



54-0 



473-4 



53-7 



W 



3 







18-77 



541-6 



55-6 



479-3 



57-0 



B 



20 







05-72 



534-0 



53-8 



476-7 



53-5 



W 



4 







17-15 



544-0 



56-6 



483-8 58-0 



H 









Declin 



ATION. 



Magnet 



intouc 



tied, June 



18d- 



-Sept. 21'i. 











BiFILAE. 



Observed 2^^ after t! 



le Declin 



ation, Ic — 



iO'OOOU( 



). 



Balance. 



Observed 3 



■^ after t 



le Declin 



ation, i-=0-00001 



3. 



t Extra 



bservations made. 

























Aug. 



igi 



L9h — 22''. Workmen 



engaged 



with scyt 



has outsi 



de the 



Observatory ; 



the iron remc 



)ved to a 



distance 



during observatio 



QS. 



