Hourly Observations of Magnetometers, December 20—25, 1845. 



Gbttingen 

 Mean Time 

 of Declina- 

 tion Obs. 



d. 

 20 



h. m. 



2 



23 

 1 

 2 

 3 

 4 

 5 



10 



11 



12 



21 13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



22 





 

 

 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



2 

 

 

 

 

 



6 



7 



8 



9 

 10 



Declina- 

 tion. 



25 



25 



25 



10-77 

 10-85 

 09-62 

 08-61 

 0805 

 08-19 

 07-99 

 02-64 

 02-96 

 03-43 

 05-72 



06-98 

 07-64 

 06-39 

 07-52 

 06-90 

 06-50 

 09-29 

 07-71 

 07-54 

 08-03 

 08-31 

 11-46 

 10-94 

 10-70 

 09-59 

 09- 15 

 09-06 

 09-02 

 08-08 

 05-97 

 07-78 

 07-64 

 06-53 

 07-57 



08-36 

 04-41 

 06-51 

 07-47 

 06-86 

 07-54 

 07-37 

 08-14 

 07-98 

 08-52 

 08-55 

 09-69 

 11-14 

 10-50 

 10-74 

 10-09 

 09-19 

 10-67 

 05-79 

 09-62 

 07-87 

 07-74 



BiriLAR. 



Cor- 

 rected. 



Thermo- 

 meter. 



542-7 

 545-9 

 545-0 

 545 1 

 546-4 

 546-5 

 545-7 

 542-7 

 542-3 

 541-2 

 540-4 



542-3 

 541-9 

 540-8 

 541-9 

 544-2 

 5510 

 549-5 

 548-4 

 547-1 

 547-2 

 543-6 

 542-4 

 543-2 

 547-7 

 547-3 

 547-6 

 547-3 

 546-4 

 548-1 

 542-9 

 546-1 

 545-4 

 542-4 

 543-4 



543-8 

 544-2 

 541-8 

 542-6 

 5441 

 545-7 

 5451 

 544-4 

 543-7 

 545-3 

 543-7 

 543-5 

 546-4 

 547-4 

 547-9 

 548-1 

 548-9 

 546-2 

 538-0 

 548-5 

 548-3 

 548-4 



37-3 

 37-4 

 37-6 

 37-7 

 37-8 

 37-9 

 37-9 

 37-9 

 38-0 

 38-0 

 38-0 



34-4 

 34-3 

 34-3 

 34-3 

 34-3 

 34-3 

 34-4 

 34-7 

 35-0 

 35-4 

 35-7 

 36-1 

 36-7 

 37-3 

 380 

 38-5 

 .38-7 

 38-9 

 39-0 

 38-9 

 38-8 

 38-7 

 38-6 

 38-4 



38-3 

 38-1 

 38-0 

 37-9 

 .37-8 

 37-8 

 37-8 

 37-8 

 37-8 

 37-8 

 37-9 

 38-2 

 38-5 

 38-8 

 39-2 

 39-5 

 39-7 

 39-8 

 39-9 

 39-9 

 40-0 

 39-9 



Balance. 



Cor- 

 rected. 



Mic. Div. 



426- 

 429- 

 430- 

 428- 

 429- 

 429- 

 429- 

 433- 

 430- 

 433- 

 429- 



422- 

 423- 

 423- 

 423- 

 424- 

 422- 

 423- 

 424- 

 427- 

 421- 

 422- 

 422- 

 424- 

 423- 

 425- 

 425- 

 427- 

 426-' 

 425- 

 425- 

 422-; 

 421- 

 423- 

 421- 



418- 



411- 



414- 



414- 



414- 



416- 



418- 



418- 



418- 



419- 



418- 



418- 



418-' 



418 



419- 



422- 



422-, 



421- 



432- 



423- 



419-' 



418- 



Thermo- 

 meter. 



■9 



38- 



-6 



38- 



-6 



38- 



•2 



38- 



■0 



38- 



-8 



38- 



-6 



38- 



-2 



38- 



-1 



38- 



-3 



38- 



-9 



38- 



-4 



34- 



-9 



34- 



-5 



34- 



-4 



34- 



-4 



34- 



•3 



34- 



•3 



35- 



■6 



35- 



-3 



35- 



-4 



35- 



-5 



36- 



-8 



36- 



-1 



37- 



-0 



38- 



-1 



38- 



-2 



39- 



-0 



39- 



-9 



39- 



-1 



39- 



-6 



39- 



•8 



39- 



-4 



39- 



■2 



38- 



-4 



38- 



-1 



38- 



-9 



38- 



-7 



38- 



-5 



38- 



-8 



38- 



-3 



38- 



-0 



.38- 



■5 



38- 



-8 



38- 



-2 



38- 



-5 



38- 



•2 



38- 



-0 



39- 







39- 



-5 



40- 



-1 



40- 



-3 



40-' 



7 



40- 



-9 



40- 



3 



40- 



-7 



40- 



-1 



40- 



o 



H 

 B 

 H 

 H 

 W 

 W 

 W 

 W 

 W 

 H 

 H 



B 

 B 

 B 

 B 

 B 

 B 

 H 

 H 

 W 

 H 

 H 

 H 

 H 

 H 

 H 

 H 

 H 

 B 

 B 

 B 

 B 

 B 

 W 

 W 



W 

 W 

 W 

 W 

 W 

 W 

 B 

 B 

 H 

 H 

 H 

 H 

 H 

 H 

 H 

 H 

 H 

 W 

 W 

 W 

 W 

 W 



Gbttingen 

 Mean Time 

 of Declina- 

 tion Obs. 



d. 



23 



h. m. 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 

 24 





 

 

 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 

 IS 



19 



20 



21 



22 



23 

 25 



10 



11 3 



12 



13 



14 



15 



16 



17 



18 



Declina- 

 tion. 



25 07-98 

 08-06 



25 



25 



08 

 08 

 08 

 07 

 07 

 07 

 07 

 07 

 07 

 07 

 09 

 11 

 12 

 12 

 11 

 10 

 06 

 08 

 08 

 08 

 08 

 06 

 06 

 07 



07 

 07 

 07 

 07 

 07 

 07 

 07 

 07 

 07 

 07 

 08 

 09 

 10 

 10 

 10 

 09 

 08 

 08 

 07 

 07 

 07 

 07 

 06 

 06 



25 Oo 

 05 

 07 

 06 

 07 

 06 



12 

 11 

 72 



89 

 20 

 60 

 17 

 32 

 37 

 52 

 12 

 69 

 75 

 83 

 22 

 77 

 98 

 41 

 99 

 65 

 65 

 66 

 63 

 84 



62 

 25 

 45 

 98 

 74 

 40 

 34 

 13 

 04 

 38 

 63 

 26 

 75 

 45 

 47 

 00 

 18 

 11 

 87 

 84 

 78 

 15 

 95 

 53 



24 

 89 

 32 



26 

 25 



74 1 



BlFILAR. 



Balance. 



Cor- 



Tliermo- 



Cor- 



Thermo- 



rected. 



meter. 



rected. 



meter. 



Sc. Div. 



o 



Mic. Div. 



o 



547-4 



39-8 



416-9 



40-5 



548-0 



39-8 



414-5 



40-3 



547-7 



39-6 



4)2-1 



40-2 



545-3 



39-4 



411-5 



40-0 



546-8 



39-1 



409-8 



39-8 



544-3 



38-9 



4090 



39-5 



5440 



38-8 



409-3 



39-2 



545-0 



38-6 



408-1 



38-8 



545-8 



38-4 



408-7 



38-5 



544-5 



38-1 



409-9 



38-1 



5450 



37-8 



408-5 



37-7 



544-0 



37-4 



408-8 



37-4 



540-8 



37-2 



408-8 



37-2 



538-3 



36-9 



409-1 



370 



540-8 



36-8 



409-7 



370 



543-4 



36-7 



410-0 



37-1 



542-2 



36-7 



417-0 



37-2 



539-3 



36-8 



423-6 



37-4 



545-8 



36-9 



424-7 



37-5 



545-1 



37-0 



423-4 



37-7 



544 1 



37-2 



424-0 



38-0 



5470 



37-4 



424-6 



38-3 



540-5 



37-7 



429-2 



38-6 



544-2 



38-2 



4290 



39-0 



546-5 



38-7 



424-2 



39-7 



546-6 



39-4 



418-9 



40-4 



546-3 



40-3 



415-5 



41-4 



545-9 



41-1 



414-4 



42-2 



544-5 



41-9 



410-0 



42-9 



545-2 



42-7 



407-5 



43-7 



546-1 



43-3 



405-4 



44-5 



547-8 



44-0 



402-7 



45-0 



547-0 



44-4 



400-1 



45-4 



54d-7 



44-7 



398-5 



456 



545-4 



44-9 



397-9 



45-8 



544-0 



45-1 



396-6 



45-7 



543-2 



45-1 



398-2 



45-7 



542-5 



45-1 



, 400-1 



45-7 



543-3 



451 



400-2 



45-9 



5451 



45-3 



399-5 



46-3 



546-5 



45-6 



399-7 



46-7 



5470 



46-0 



395-6 



470 



546-8 



46-1 



392-2 



47-1 



547-4 



46-2 



389-4 



47-2 



547-3 



46-4 



385-4 



47-3 



546-8 



46-4 



384-8 



47-7 



546-3 



46-4 



386-4 



47-7 



543-4 



46-3 



385-6 



47-5 



544-9 



46-1 



385-0 



46-8 



537-6 



45-8 



387-1 



46-3 



541-2 



45-4 



387-9 



45-8 



541-0 



45-1 



387-7 



45-4 



543-4 



44-7 



385-0 



45-1 



543-0 



44-4 



383-1 



44-8 



542-9 



44-2 



384-3 



44-5 



546-7 



44-0 



384-9 



44-3 



H 

 H 



H 



H 



H 



H 



H 



H 



W 



W 



B 



W 



W 



W 



W 



W 



W 



W 



W 



H 



H 



H 



H 



W 



W 



W 



D 



D 



D 



D 



D 



B 



B 



B 



B 



H 



H 



H 



W 



W 



W 



W 



H 



H 



D 



C 



H 



H 



W 



W 



W 

 W 

 W 

 W 

 W 



Declination. Magnet untouched, Sept. 21* — Dec. 29''. 

 Bifilar. Observed 2" after the Declination, fc=0-000140. B.'VLAnce. Observed 3"" after the Declination, /(: = 0-000010. 



Dec. 24<i 10'" — 25* 10''. Term-Day Observations made. 



