Hourly Observations of Magnetometers, October 14 — 19, 1844. 



55 



tbttingen 





BlFILAR. 



Balance. 





Gotting 



en 





BlFILAR. 



Balance. 



^«3 



ean Time 



Declina- 











~ '-£ 



Mean Time 



Declina- 











t. '-C 



' Declina- 



tion. 



Cor- 



Thermo- 



Cor- 



Thermo- 





of Declina- 



tion. 



Cor- 



Thermo- 



Cor- 



Thermo- 



£ £5 



ion Obs. 





rected. 



meter. 



rected. 



meter. 



o 



tion Obs. 





rected. 



meter. 



rected. 



meter. 



o 



h. 



m. 



o 



Sc. Div. 



o 



Mic.Div. 



o 





d. h. 



m. 



o 



Sc. Div. 



o 



Mic. Div. 



o 





4 21 







25 13-52 



525-3 



51-4 



610-1 



50-9 



H 



17 5 







25 17-83 



535-6 



50-3 



631-8 



50-6 



H 



22 







14-15 



526-2 



51-2 



611-3 



50-8 



H 



6 







17-89 



5331 



50-4 



630-7 



50-5 



B 



23 







15-76 



525-5 



51-0 



610-8 



50-8 



B 



7 







15-81 



533-3 



50-4 



631-0 



50-4 



W 



5 







19-10 



526-8 



510 



607-0 



510 



B 



8 



6 



15-27 



534-6 



50-4 



634-4 



50-4 



H 



1 







21-06 



5260 



51-2 



610-5 



51-5 



H 



9 







13-83 



533-6 



50-2 



631 2 



50-3 



B 



2 







21-68 



5311 



51-6 



608-5 



521 



B 



10 







10-56 



530-6 



50-0 



632-9 



500 



B 



3 







20-42 



534-7 



521 



611-4 



52-7 



H 



11 







09-74 



530-6 



50-0 



628-3 



49-9 



W 



4 







18-79 



536-6 



52-6 



619-1 



53-3 



B 



12 







11-42 



533-7 



49-9 



622-4 



49-8 



W 



5 







17-36 



537-4 



530 



6261 



53-8 



B 



















6 







1605 



536-7 



53-4 



624-5 



54-1 



W 



13 







25 10-11 



532-5 



49-7 



618-6 



49-6 



w 



7 







15-14 



537-6 



53-6 



620-4 



54-2 



W 



14 







11-30 



535-7 



49-6 



612-5 



49-5 



w 



8 







13-49 



538-8 



53-6 



615-5 



54-0 



W 



15 







13-57 



535-3 



49-4 



614-3 



49-3 



w 



9 







13-70 



5390 



53-6 



614-7 



54-0 



W 



16 







12-65 



536-0 



49-2 



6140 



491 



w 



10 







13-44 



538-3 



53-4 



610-8 



53-8 



W 



17 







14-20 



534-8 



49-0 



616-6 



490 



w 



11 







12-98 



537-3 



53-2 



609-7 



53-5 



H 



18 







14-48 



539-8 



48-9 



611-5 



48-8 



w 



12 







12-58 



537-7 



530 



604-5 



530 



H 



19 







12-45 



536-9 



48-8 



613-0 



48-5 



B 



















20 







12-02 



535-3 



48-7 



618-7 



48-4 



B 



13 







25 10-90 



534-7 



52-8 



601-5 



52-8 



H 



21 







11-37 



534-8 



48-5 



618-5 



48-3 



H 



14 







1208 



541-2 



52-6 



593-5 



52-6 



H 



22 







12-72 



528-4 



48-3 



616-0 



48-2 



H 



15 







13-22 



534-5 



52-4 



600-6 



52-5 



H 



23 







16-66 



521-9 



48-3 



614-4 



48-2 



B 



16 







14-06 



535-6 



52-2 



604-7 



52-3 



H 



18 







21-74 



530-7 



48-3 



612-5 



48-5 



H 



17 







14-20 



536-7 



520 



603-9 



520 



H 



1 







23-22 



534-7 



48-5 



612-1 



48-8 



H 



18 







13-81 



536-3 



51-8 



607-2 



51-7 



H 



2 







24-39 



535-2 



48-9 



613-8 



49-5 



B 



19 







13-36 



538-1 



51-6 



609-6 



51-5 



W 



3 







22-87 



539-2 



49-3 



614-8 



49-9 



B 



20 







12-31 



536-5 



51-3 



613-6 



51-1 



W 



4 







21-71 



538-1 



49-7 



625-7 



50-2 



H 



21 







11-77 



5320 



511 



617-7 



50-9 



B 



5 







18-57 



536-7 



49-9 



636-1 



50-2 



B 



22 







12-20 



528-6 



51-0 



617-8 



50-7 



W 



6 







18-50 



536-4 



49-9 



633-6 



50-3 



W 



23 







15-02 



522-9 



50-9 



613-2 



50-7 



W 



7 







16-86 



538-4 



49-9 



6321 



50-3 



W 



6 







15-62 



524-1 



50-9 



610-2 



50-9 



W 



8 







14-98 



540-2 



49-8 



626-2 



50-0 



W 



1 







19-32 



526-9 



510 



6101 



51-5 



W 



9 







14-10 



539-5 



49-7 



622-7 



49-8 



W 



2 







20-29 



532-2 



51-4 



609-3 



52-1 



W 



10 







13-44 



540-0 



49-4 



618-2 



49-5 



W 



3 







1907 



534-5 



520 



613-7 



52-8 



W 



11 







13-34 



539-6 



490 



614-7 



490 



H 



4 







17-29 



536-4 



52-6 



613-7 



53-3 



W 



12 







12-96 



539-8 



48-7 



614-8 



48-4 



H 



5 







16-12 



537-0 



52-9 



613-6 



53-5 



W 



















6 







14-67 



537-6 



53-0 



610-4 



53-6 



H 



13 







25 13-84 



538-9 



48-2 



6131 



47-7 



H 



7 







14-40 



538-3 



530 



609-1 



53-6 



H 



14 







13-56 



538-3 



47-7 



612-9 



47-0 



H 



8 







14-11 



537-6 



53-0 



609- 1 



53 5 



H 



15 







13'63 



536-6 



47-2 



614-0 



46-4 



H 



9 







14-21 



538-3 



52-9 



607-9 



533 



H 



16 







13-59 



538-8 



46-7 



614-7 



45-7 



H 



10 







13-79 



5391 



52-7 



604-7 



53-0 



H 



17 







13-39 



536-4 



46-0 



616-6 



45-2 



H 



11 







13-43 



538-3 



52-6 



603-9 



52-7 



B 



18 







14-67 



536-1 



45-5 



618-4 



44-5 



H 



12 







12-92 



537-9 



52-3 



600-4 



52-3 



B 



19 







13-83 



537-2 



45-0 



621-7 



440 



W 



















20 







1303 



535-4 



44-5 



625-7 



43-4 



W 



13 







25 14-13 



534-9 



520 



601-5 



520 



B 



21 



2 



12-42 



5320 



43-9 



631-4 



42-9 



B 



14 







16-26 



540-1 



51-8 



587-3 



51-7 



B 



22 







13-50 



527-9 



43-5 



632-4 



42-5 



W 



15 







1317 



537-7 



51-6 



587-5 



51-5 



B 



23 







16-13 



526-9 



43-1 



622-9 



42-4 



W 



16 







13-16 



537-2 



51-3 



592-2 



51-2 



B 



19 







18-84 



528-3 



42-9 



620-6 



42-4 



W 



17 







12-67 



537-7 



511 



596-2 



51-0 



B 



1 







18-79 



530-5 



42-9 



622-9 



42-5 



W 



18 







13-25 



538-0 



50-9 



600-4 



50-7 



B 



2 







18-88 



533-9 



42-9 



628-5 



43-2 



W 



19 







13-83 



536-1 



50-7 



603-7 



50-5 



H 



3 







18-50 



535-1 



43-3 



630-6 



43-9 



W 



20 







12-08 



535-9 



50-6 



610-9 



50-3 



H 



4 







17-37 



537-8 



440 



633-9 



44-8 



W 



21 







11-22 



531-9 



50-4 



6160 



50-2 



W 



5 







15-96 



539-2 



44-9 



633-2 



45-5 



w 



22 







11-91 



527-0 



50-2 



618-2 



50-1 



H 



6 







15-98 



542-1 



45-4 



630-9 



46-0 



H 



23 







14-41 



522-7 



501 



616-4 



501 



H 



7 







15-31 



540-9 



45-7 



628-5 



46-2 



H 



7 







19-22 



525-4 



50-1 



611-5 



500 



H 



8 







14-41 



5420 



45-8 



627-1 



46-3 



H 



1 







20-63 



526-8 



500 



6090 



500 



H 



9 







12-80 



539-7 



45-8 



628-0 



460 



H 



2 







20-38 



530-7 



501 



607-6 



50-2 



H 



10 







12-72 



548-5 



45-7 



617-5 



45-7 



H 



3 







20-55 



539-2 



501 



616-5 



50-3 



H 



11 







12-16 



548-6 



45-4 



609-4 



45-5 



B 



4 







1919 



535-2 



50-2 



626-2 



50-5 



H 



12 







11-17 



538-0 



450 



605-6 



45-2 



B 







Decl 



INATION 



Torsion remove 



d, Oct. 1( 



)"4t, 



+ 9J°. Effecl 



of + 10° of Torsion : 



= - 0'-8 



4. 







BlFILAR. 



Observed 2 



n after th 



e Declination, k- 



-0-00014I 



). 



Balance. 



Observed 3'" after the 



Declinat 



ion, k= 



3-O0OOO8, 



5. 



Oct. 



15<i. 



t b + Exper 



iments vv 



ive made to deterr 



nine the 



jffect 



»f the copper 



ring on the position o 



the dec 



ination i 



nagnet. 



All 



;he scale re 



idings since C 



>ct. 6 d 23 



h have been corre< 



;ted by H 



- 1-7 S 



ic. div. foi 



the 



effect of the copper ri 



ng in the 



position 



which it 



has 



3ccupied sii 



tee that time. 



The ust 



■ of the copper rir 



g was di 



scontin 



ued after Oct. 



151 4 h . 











Oct. 



151 



23>>— 161 4 h. 



Observa 



tions made to dett 



;rmine th 



e zero 



point of i 



he d 



eclination scale. 











