24 



Hourly Observations of Magnetometers, April 29 — May 3, 1844. 



Gottingen 





BlFILAR. 



Balance. 



"u ■ 



Gottingen 

 Mean Time 





BlFILAR. 



Balance. 



£ ~5 



Mean Time 



Declina- 











s- '-£ 



Declina- 













of Declina- 



tion. 



Cor- 



Thermo- 



Cor- 



Thermo- 



G> .-. 



of Declina- 



tion. 



Cor- 



Thermo- 



Cor- 



Thermo- 



"i c 



tion Obs. 





rected. 



meter. 



rected. 



meter. 



-a hh 



tion Obs. 





rected. 



meter. 



rected. 



meter. 



^ 



d. h. iu. 



o 



Sc. Div. 



o 



Mic. Div. 



o 





d. h. 



m. 



o 



Sc. Div. 







Mic. Div. 



„ 





29 5 



25 22-85 



539-0 



56-9 



764-4 



60-7 



w 



1 13 







25 12-83 



519-7 



60-8 



674-1 



61-5 



H 



6 



20-09 



530-4 



58-0 



780-6 



61-5 



w 



14 







15-41 



5240 



60-4 



685-8 



60-6 



H 



7 



17-61 



538-2 



58-8 



787-9 



61-9 



H 



15 







17-81 



520-4 



59-9 



693-8 



59-7 



H 



8 Of 



12-78 



529-1 



59-1 



805-2 



61-6 



H 



16 







18-13 



520-8 



59-3 i 



697-4 



58-6 



H 



9 



16-36 



530-1 



59-2 



771-8 



61-0 



H 



17 







16-21 



524-0 



58-6 



703-4 



57-6 



H 



10 



16-52 



527-0 



59-0 



758-0 



60-0 



H 



18 







14-68 



515-8 



57-9 



710-7 



56-5 



H 



11 Of 



15-54 



532-5 



58-6 



739-5 



59-0 



B 



19 







16-52 



514-2 



57-3 



7171 



56-0 



W 



12 Of 



10-75 



528-5 



58-0 



704-7 



58-4 



B 



20 







17-13 



518-7 



56-9 



7160 



55-8 



W 

















21 







15-92 



514-6 



56-6 



729-1 



55-9 



B 



13 Of 



25 09-86 



514-3 



57-7 



711-8 



57-7 



B 



22 



0' 



16-60 



513-6 



56-3 



729-6 



56-2 



W 



14 Of 



15-76 



520-1 



57-1 



721-4 



56-5 



B 



23 







19-15 



504-2 



56-3 



731-2 



56-8 



W 



15 



16-41 



518-9 



56-5 



715-4 



55-5 



B 



2 







22-25 



513-2 



56-6 



725-2 



57-5 



W 



16 



18-13 



509-8 



55-8 



717-4 



540 



B 



1 







22-25 



520-5 



57-0 



723-6 



58-5 



B 



17 Of 



16-46 



518-9 



54-9 



704-4 



52-7 



B 



2 







22-40 



525-9 



57-7 



718-7 



59-5 



W 



18 



12-87 



518-3 



54-0 



705-2 



51-6 



B 



3 







22-40 



529-8 



58-6 



721-6 



60-6 



W 



19 



13-54 



517-0 



531 



721-6 



50-6 



H 



4 







21-86 



531-5 



59-5 



727-5 



620 



W 



20 



12-98 



514-0 



52-4 



7471 



50-0 



H 



5 







18-79 



538-3 



60-5 



728-6 



63-3 



W 



21 



13-63 



511-9 



51-9 



747-4 



49-8 



W 



6 







15-52 



538-9 



61-5 



738-7 



64-4 



H 



22 



14-82 



511-2 



51-4 



731-5 



49-9 



H 



7 







18-37 



537-7 



62-5 



749-0 



65-2 



H 



23 



17-26 



510-5 



51-2 



721-3 



50-5 



W 



8 







1904 



536-2 



63-2 



734-4 



65-4 



H 



30 



21-27 



512-0 



51-2 



758-9 



520 



H 



9 







1810 



534-1 



63-5 



737-4 



65-5 



H 



1 



23-34 



508-0 



51-8 



766-7 



53-5 



H 



10 







16-89 



526-5 



63-3 



738-4 



64-5 



H 



2 



22-53 



520-5 



52-4 



731-5 



550 



H 



11 



ot 



12-85 



541-8 



63-1 



696-8 



63-5 



B 



3 



21-86 



523-8 



53-5 



735-4 



56-5 



H 



12 



of 



11-14 



524-7 



62-7 



645-4 



62-7 



B 



4 



20-06 



525-7 



54-7 



742-5 



58-0 



H 



















5 



19-46 



530-6 



56-0 



733-0 



59-5 



H 



13 



of 



25 07-60 



509-4 



62-1 



642-3 



620 



B 



6 



18-16 



537-2 



571 



753-3 



60-1 



B 



14 







17-34 



516-9 



61-6 



652-2 



610 



B 



7 



14-41 



534-6 



57-9 



785-5 



60-5 



B 



15 



of 



1518 



506-5 



61-0 



662-3 



59-7 



B 



8 



13-49 



536-1 



58-4 



790-8 



61-5 



B 



16 







17-00 



5191 



602 



661-8 



58-5 



B 



9 



15-45 



528-1 



58-7 



774-9 



60-3 



B 



17 







13-59 



519-8 



59-4 



679-7 



57-3 



B 



10 



15-54 



528-1 



58-5 



750-1 



59-5 



B 



18 



Of 



16-90 



511-3 



58-7 



680-0 



56-2 



B 



11 



13-64 



527-6 



58-0 



723-8 



58-5 



W 



19 







19-76 



522-5 



57-9 



657-3 



55-6 



H 



12 



18-50 



5290 



57-6 



678-5 



57-4 



w 



20 







16-75 



519-5 



57-2 



667-5 



55-3 



H 

















21 







17-26 



516-2 



56-8 



683-8 



55-2 



W 



13 



25 1509 



524-9 



56-9 



662-4 



56-4 



w 



22 



o 



16-79 



513-7 



56-4 



7050 



55-5 



H 



14 



2307 



512-4 



56-2 



635-4 



55-3 



w 



23 







17-78 



516-4 



56-3 



710-8 



561 



H 



15 



19-32 



514-1 



55-6 



608-1 



54-4 



w 



3 







19-75 



516-8 



56-4 



711-8 



57-2 



H 



16 



16-65 



524-7 



54-9 



629-0 



53-4 



w 



1 







21-46 



518-9 



57-0 



707-3 



58-6 



H 



17 



14-73 



504-3 



54-2 



657-4 



52-3 



w 



2 







21-79 



522-0 



58-1 



712-3 



60.5 



H 



18 



14-58 



518-8 



53-5 



672-9 



51-5 



w 



3 







22-87 



529-6 



59-2 



719-7 



62-5 



H 



19 



12-78 



518-8 



52-9 



704-2 



50-8 



B 



4 







26-32 



525-8 



60-4 



737-2 



63-5 



H 



20 



12-51 



516-8 



52-3 



716-3 



50-4 



B 



5 



°t 



17-74 



546-1 



61-5 



785-5 



64-5 



H 



21 



15-71 



499-2 



51-9 



726-7 



50-4 



H 



6 







20-18 



542-3 



62-3 



806-0 



64-9 



B 



22 



18-77 



494-4 



51-6 



736-1 



50-5 



B 



7 







18-84 



537-5 



62-9 



797-8 



650 



B 



23 



21-48 



497-5 



51-3 



721-6 



51-5 



H 



8 







18-16 



526-8 



63-2 



788-0 



64-8 



B 



1 



24-55 



508-9 



51-9 



723-3 



53-2 



B 



9 







18-43 



526-2 



63-1 



749-5 



63-6 



B 



1 



22-45 



526-9 



52-5 



724-0 



55-2 



H 



10 







18-30 



524-4 



62-7 



734-6 



62-4 



B 



2 



23-45 



530-1 



53-9 



717-1 



57-2 



B 



11 







17-29 



523-3 



62-0 



727-1 



61-2 



W 



3 



21-43 



527-6 



55-4 



713-3 



59-0 



B 



12 







17-39 



521-2 



61-3 



729-7 



60-2 



W 



4 



1917 



530-8 



57-0 



726-1 



60-7 



B 



















5 



18-60 



534-6 



58-4 



750-4 



62-3 



B 



13 







25 17-33 



519-8 



60-6 



733-6 



59-1 



w 



6 



18-77 



539-9 



59-7 



755-4 



63-5 



W 



14 







17-09 



520-0 



59-9 



737-1 



58-2 



w 



7 Of 



1215 



540-9 



60-7 



761-6 



64-0 



W 



15 







17-39 



519-6 



59-2 



737-3 



57-4 



w 



8 



14-50 



535-7 



61-3 



754-6 



64-2 



W 



16 







16-93 



518-5 



58-6 



732-7 



56-6 



w 



9 



15-14 



529-2 



61-7 



745-6 



63-9 



W 



17 







15-59 



518-5 



58-0 



733-8 



56-0 



w 



10 



10-97 



522-7 



61-7 



735-3 



63-2 



W 



18 







16-41 



517-7 



57-5 



735-1 



55-3 



w 



11 o- 



09-42 



516-6 



61-4 



699-6 



62-6 



H 



19 







13-59 



517-6 



56-9 



7371 



54-9 



B 



12 Of 



08-88 



517-5 



61-1 



680-7 



621 



H 



20 







13-57 



516-2 



56-4 



742-8 



54-5 



B 







Declinatio 



N. Magi 



let un 



ouched, April 



5i— May 28*. 











BlFILAR. 



Observed 2 m after tb 



e Declination, k— 



:0-00014< 



). 



Balance. 



Observed 3"> after the 



Declina 



tion, k=( 



)-000008; 





t Extra ( 



)bservations made. 























April 29 d 



21 h . A small insect 



was seen creeping 



over the 



left cr 



oss plate ( 



)f th( 



i balance magnet, it ev 



idently c 



aused a s 



.ight irre 



g u- 



larity in the 



motion of the needle. 























April 30 d 



7 h . After the observ 



ation the case of t 



ne balanc 



e was 



removed in ore 



er to remove the insec 



t seen at 



29 a 21\ 1 



but no in 



sect 



could be see 



n ; the balance readinj 



js have been sligh 



ily unstef 



idy thr 



oughout the ds 



y (?)• 











