



Hourly Observations 



OF Magnetometers, October 5—. 



10, 1845. 





53 



Getting* 



n 





BiFILAR. 



Balance. 





Gbttingen 

 Mean Time 



Declina- 



BiriLAE. 



Bala 



NCE. 



c; '^ 



Mean Time 



Declina- 











s- "If 











'•" it^ 



of Declina- 



tion. 



Cor- 



Thermo- 



Cor- 



Thermo- 





of Decli 



na- 



tion. 



Cor- 



Thermo- 



Cor- 



Thermo- 



^ »— 1 



tion Obs. 





rected. 



meter. 



rected. 



meter. 



o 



tion Obs. 





rected. 



meter. 



rected. 



meter. 



o 



d. li. 



ni. 



o 



Sc. Div. 



o 



Mic. Div. 



o 





d. h. 



m. 



o 



Sc. Div. 



= 



Mic. Div. 



o 



5 13 







25 09-54 



545-1 



47-0 



436-1 



46-5 



W 



7 21 







25 07-65 



534-0 



46-6 



439-0 



46-4 



W 



14 







09-29 



543-8 



46-5 



437-5 



45-9 



W 



22 







0825 



531-4 



46-4 



439-7 



46-3 



H 



15 







09-86 



541-7 



46-0 



439-5 



45-3 



W 



23 







10-90 



529-1 



46-3 



439-7 



46-3 



H 



16 







10-33 



541-7 



45-5 



441-3 



44-7 



W 



8 







13-67 



531-1 



46-3 



435-2 



46-5 



H 



17 







09-51 



542-6 



44-9 



442-2 



440 



w 



1 







15-39 



532-1 



46-5 



436-8 



47-0 



H 



18 







09-60 



542-0 



44-4 



442-9 



43-4 



w 



2 







16-08 



536-3 



47-0 



442-2 



47-6 



H 



19 







09-59 



539-4 



43-9 



444-0 



42-8 



B 



3 







15-31 



539-6 



47-6 



447-2 



48-4 



H 



20 







09-00 



533-8 



43-3 



446-2 



42-2 



B 



4 







12-58 



542-6 



48-2 



451-9 



49-2 



H 



21 







09-08 



536-7 



42-8 



445-6 



41-8 



H 



5 







11-75 



544-2 



48-9 



449-9 



49-7 



H 



22 







07-87 



530-5 



42-5 



447-6 



41-7 



H 



6 







10-75 



545-2 



49-4 



449-4 



50-0 



B 



23 







11-27 



526-4 



42-3 



440-7 



42-0 



H 



7 







11-10 



544-9 



49-7 



447-2 



50-2 



B 



6 







14-73 



522-3 



42-3 



440-5 



42-5 



B 



8 







10-70 



544-4 



49-8 



446-6 



50-1 



B 



1 







18-30 



536-9 



42-7 



440-3 



43-5 



H 



9 







11-15 



544-3 



49-7 



444-0 



50-0 



B 



2 







19-28 



549-3 



43-7 



448-8 



45-0 



B 



10 







10-77 



546-8 



49-6 



437-5 



49-8 



B 



3 







19-34 



546-8 



44-9 



461-9 



46-7 



H 



11 







06-95 



551-7 



49-4 



429-7 



49-7 



W 



4 







16-53 



542-2 



45-9 



466-6 



47-2 



B 



12 







07-52 



548-5 



49-3 



422-6 



49-6 



W 



5 







10-70 



541-2 



46-8 



477-2 



47-8 



H 



















6 







10-06 



536-0 



47-3 



484-9 



48-1 



W 



13 







25 07-82 



542-0 



49-3 



424-4 



49-6 



W 



7 







10-50 



541-5 



47-4 



481-7 



48-2 



W 



14 







08-79 



540-7 



49-3 



427-1 



49-6 



W 



8 







07-72 



536-8 



47-6 



481-6 



48-3 



W 



15 







07-37 



543-9 



49-3 



426-7 



49-6 



W 



9 







08-93 



540-8 



47-6 



470-9 



48-3 



W 



16 







07-11 



543-9 



49-2 



425-8 



49-5 



W 



10 







10-72 



545-5 



47-5 



455-5 



48-1 



W 



17 







06-68 



543-3 



49-2 



427-6 



49-5 



W 



11 







10-51 



544-7 



47-4 



449-7 



48-0 



H 



18 







08-28 



540-9 



49-1 



428-2 



49-5 



W 



12 







11-61 



554-1 



47-2 



431-6 



47-8 



H 



19 







08-25 



541-9 



49-0 



427-6 



49-3 



B 



















20 







09-35 



541-6 



48-9 



434-9 



49-1 



B 



13 







25 06-73 



544-5 



47-1 



429-6 



47-6 



H 



21 







07-13 



539-3 



48-8 



436-4 



490 



H 



14 







10-16 



544-0 



47-0 



428-1 



47-5 



H 



22 







08-31 



534-5 



48-7 



441-7 



48-8 



H 



15 







08-29 



541-0 



46-9 



433-8 



47-3 



H 



23 







10-27 



530-2 



48-7 



429-6 



49-0 



H 



16 







08-66 



541-4 



46-9 



437-2 



47-2 



H 



9 







12-80 



532-3 



48-7 



437-0 



49-7 



B 



17 







1009 



548-1 



46-8 



455-6 



47-1 



H 



1 







14-60 



535-5 



49-0 



435-1 



50-3 



H 



18 







07-78 



544-3 



46-7 



438-0 



47-0 



H 



2 







14-53 



540-1 



49-7 



435-7 



50-9 



H 



19 







08-03 



542-7 



46-6 



437-5 



46-9 



W 



3 







14-18 



544-6 



50-5 



437-1 



51-6 



H 



20 







07-60 



538-5 



46-5 



441-6 



46-9 



W 



4 







12-95 



546-1 



51-2 



436-2 



52-2 



H 



21 







07-79 



535-6 



46-5 



442-5 



46-8 



B 



5 







12-45 



545-8 



51-9 



439-8 



52-7 



B 



22 







08-66 



529-2 



46-5 



442-6 



46-9 



W 



6 







11-51 



541-9 



52-2 



436-3 



52-8 



W 



23 







11-44 



525-8 



46-6 



444-6 



47-2 



W 



7 







12-26 



547-1 



52-3 



443-7 



52-8 



AV 



7 







14-82 



528-0 



46-8 



440-9 



47-5 



W 



8 







13-17 



551-0 



52-3 



445-0 



52-5 



W 



1 







16-63 



532-1 



47-2 



440-3 



47-8 



W 



9 







11-82 



549-4 



52-0 



449-0 



52-2 



w 



2 







16-65 



536-1 



47-5 



442-7 



48-3 



W 



10 







25 04-82 



536-4 



51-7 



446-5 



51-7 



w 



3 







1613 



542-8 



47-8 



445-3 



48-7 



W 



11 



Of 



24 43-72 



512-3 



51-3 



420-3 



51-2 



H 



4 



3 



13-29 



! 546-2 



48-2 



446-7 



48-9 



w 



12 



Of 



24 53-32 



499-1 



51-0 



236-8 



50-8 



H 



5 







11-12 



544-2 



48-3 



452-8 



49-0 



w 



















6 







09-12 



! 539-5 



48-4 



456-4 



49-0 



H 



13 



Of 



24 54-01 



496-7 



50-7 



298-3 



50-6 



H 



7 







11-95 



i 543-5 



48-4 



452-4 



490 



H 



14 



Of 



25 01-65 



526-6 



50-4 



323-4 



50-3 



H 



8 







10-70 



545-4 



48-4 



450-9 



49-1 



H 



15 



Of 



00-06 



533-1 



50-1 



319-5 



50-0 



H 



9 







10-16 



545-9 



48-4 



446-7 



49-0 



H 



16 







06-73 



535-2 



49-9 



372-6 



49-7 



H 



10 







09-74 



540-5 



48-3 



444-8 



48-9 



H 



17 







10-50 



536-4 



49-7 



398-6 



49-4 



H 



11 







09-03 



543-7 



48-2 



440-5 



48-7 



B 



18 







10-00 



542-4 



49-4 



419-2 



49-1 



H 



12 







06-06 



540-1 



48-1 



433-3 



48-5 



B 



19 







10-03 



534-3 



49-1 



435-5 



48-8 



W 



















20 







10-51 



537-5 



48-8 



438-0 



48-5 



W 



13 







25 07-13 



541-9 



48-0 



409-0 



48-2 



B 



21 



4 



12-92 



510-5 



48-6 



444-7 



48-2 



B 



14 







06-59 



539-6 



47-9 



414-4 



48-0 



B 



22 







20-77 



521-1 



48-3 



436-7 



48-0 



W 



15 







06-84 



542-0 



47-7 



422-1 



47-8 



B 



23 



3 



16-92 



528-5 



48-2 



437-6 



47-9 



W 



16 







08-05 



542-1 



47-5 



426-6 



47-5 



B 



10 







18-72 



531-0 



48-2 



442-2 



48-3 



W 



17 







07-84 



541-5 



47-3 



430-7 



47-3 



B 



1 







18-94 



520-3 



48-4 



4600 



48-8 



W 



18 







08-66 



541-4 



47-1 



433-5 



47-1 



B 



2 



2 



18-61 



531-9 



48-8 



478-5 



49-3 



W 



19 







08-41 



541-9 



47-0 



435-8 



46-9 



H 



3 



13 



17-19 



530-5 



49-3 



470-3 



49-8 



W 



20 







07-71 



540-6 



46-8 



436-4 



46-7 



H 



4 







15-39 



534-9 



49-5 



465-0 



49-9 



W 



. 







Declination. Magnet untou 



ched, Sept 



. 21< 



i— Dec. 29*. 











BiFILAR. 



Observed 2"" after t 



le Declination, fc=0-000140. 



Balance. 



Observed 3" after th 



e Declin 



ition, /;= 



0-00001( 



). 







t Extr 



a Observations made. 





















Oct. -i 



15i>. A small insect seen on the 



north cross-p] 



ate of the balance mag 



net. 













Oct. gi 



— 12'!. Workmen engaged erect 



mg a fireplace 



in the east anteroom. 











MAG. AND MET. OBS. 1845. 



