Hourly Observations of Magnetometers, April 2 — 8, 1845. 



19 



Gottingen 

 Mean Time 

 of Declina- 

 tion Obs. 



d. h. m. 



2 21 



22 



23 



3 



1 



2 



3 



4 



5 



6 



7 



8 



9 Of 



10 of 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



4 



1 



2 



3 



4 



5 



6 



7 



8 7 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



5 



1 



2 



3 



4 



Declina- 

 tion. 



25 



25 



07-13 

 07-67 

 13-17 

 16-75 

 21-71 

 23-27 

 19-22 

 16-90 

 14-64 

 13-43 

 1413 

 08-59 

 06-59 

 06-43 

 09-93 

 13-49 



12-18 

 11-49 

 10-23 

 10-06 

 12-62 

 12-31 

 10-40 

 09-93 

 06-26 

 08-01 

 11-15 

 15-96 

 19-91 

 20-49 

 18-81 

 16-28 

 13-74 

 11-57 

 1009 

 09-76 

 09-94 

 10-20 

 10-77 

 09-82 



25 09-96 

 11-17 

 10-70 

 11-17 

 09-69 

 09-06 

 07-94 

 05-82 

 06-41 

 07-10 

 10-47 

 14-33 

 19-53 

 19-76 

 18-08 

 15-56 



BlFILAK. 



Cor- 

 rected. 



Sc. Dir. 



530-2 

 524-3 

 515-9 

 521-3 

 530-3 

 529-5 

 531-0 

 542-4 

 540-6 

 546-3 

 545-8 

 546-2 

 539-0 

 538-3 

 537-7 

 540-8 



539-8 

 538-6 

 538-4 

 541-0 

 541-0 

 544-7 

 543-1 

 538-1 

 532-9 

 529-6 

 521-8 

 515-5 

 514-9 

 520-4 

 535-4 

 538-0 

 538-1 

 539-4 

 542-1 

 541-0 

 542-1 

 539-6 

 541-7 

 544-2 



538-8 

 538-1 

 539-0 

 540-7 

 536-8 

 538-2 

 536-8 

 535-3 

 528-0 

 522-4 

 519-2 

 515-7 

 524-8 

 529-8 

 535-6 

 537-6 



ThermO' 

 meter. 



44-4 

 43-9 

 43-7 

 43-5 

 43-4 

 43-6 

 44-1 

 45-2 

 46-4 

 47-8 

 49-0 

 49-7 

 49-9 

 49-9 

 49-7 

 49-2 



48-7 

 48-2 

 47-7 

 47-2 

 46-7 

 46-2 

 45-8 

 45-4 

 45-0 

 44-7 

 44-4 

 44-1 

 44-0 

 44-0 

 44-0 

 44-0 

 44-1 

 44-2 

 44-1 

 44-0 

 44-0 

 44-0 

 43-9 

 43-8 



43-7 

 43-6 

 43-4 

 43-3 

 43-1 

 42-9 

 42-8 

 42-7 

 42-5 

 42-3 

 42-4 

 42-4 

 42-8 

 43-4 

 44-4 

 45-7 



Balance. 



Cor- 

 rected. 



Mic. Diy. 



550-7 

 554-3 

 553-4 

 541-9 

 535-7 

 536-0 

 548-9 

 554-2 

 554-6 

 565-5 

 586-8 

 602-1 

 570-2 

 568-4 

 557-0 

 545-8 



540-6 

 541-5 

 542-0 

 542-4 

 541-4 

 537-6 

 539-3 

 549-2 

 548-3 

 551-6 

 553-3 

 548-1 

 540-9 

 542-2 

 546-1 

 552-8 

 559-8 

 561-4 

 561-6 

 561-3 

 559-6 

 559-9 

 557-3 

 542-8 



540-8 

 546-9 

 551-0 

 552-1 

 553-8 

 555-0 

 556-6 

 562-0 

 565-9 

 563-3 

 559-6 

 5%2 

 532-8 

 533-5 

 541-0 

 549-4 



Thermo, 

 meter. 



43-5 

 43-2 

 43-1 

 43-0 

 43-4 

 43-9 

 45-0 

 46-2 

 47-6 

 49-0 

 49-8 

 50-2 

 50-2 

 50-0 

 49-7 

 49-2 



48-5 

 47-8 

 47-2 

 46-6 

 46-1 

 45-6 

 45-1 

 44-7 

 44-3 

 44-0 

 43-8 

 43-8 

 43-8 

 43-9 

 44-0 

 44-2 

 44-3 

 44-5 

 44-5 

 44-5 

 44-3 

 44-1 

 44-0 

 43-9 



43-7 

 43-5 

 43-4 

 43-2 

 43-0 

 42-9 

 42-7 

 42-5 

 42-4 

 42-4 

 42-5 

 42-7 

 43-4 

 44-5 

 45-7 

 47-0 



H 



H 



H 



B 



H 



W 



H 



B 



H 



W 



W 



W 



W 



W 



H 



H 



H 



H 



H 



H 



H 



H 



W 



W 



B 



W 



W 



W 



W 



W 



W 



W 



W 



H 



H 



H 



H 



H 



B 



B 



B 

 B 

 B 

 B 

 B 

 B 

 H 

 H 

 W 

 H 

 H 

 H 

 H 

 H 

 H 

 H 



Gottingen 

 Mean Time 

 of Declina- 

 tion Obs. 



5 5 



6 



7 4 



8 



9 



10 



11 



12 



6 13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



7 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 

 8 





 

 

 

 

 

 



8 



9 



10 



11 



12 



Declina- 

 tion. 



25 



25 



25 



14-20 

 12-20 

 11-37 

 10-48 

 10-38 

 10-65 

 10-85 

 09-54 



09-86 

 10-75 

 10-61 

 10-47 

 1215 

 10-80 

 09-69 

 07-51 

 08-46 

 09-74 

 12-63 

 15-45 

 16-21 

 20-65 

 20-25 

 15-69 

 14-77 

 12-72 

 10-78 

 06-76 

 12-11 

 11-61 

 11-54 

 10-92 



11-62 

 11-69 

 10-87 

 10-47 

 10-47 

 10-60 

 09-64 

 07-40 

 06-63 

 08-01 

 10-60 

 12-95 

 17-15 

 19-02 

 17-93 

 19-81 

 14-13 

 12-26 

 11-32 

 11-12 

 10-94 

 11-12 

 07-69 

 08-92 



Bifilar. 



Cor- 

 rected. 



Sc. Div. 



541-6 

 544-0 

 546-5 

 545-4 

 543-9 

 541-7 

 542-7 

 540-5 



540-6 

 538-8 

 538-2 

 538-8 

 537-5 

 538-8 

 535-9 

 533-7 

 527-9 

 522-5 

 515-2 

 526-4 

 529-4 

 534-3 

 542-6 

 543-7 

 544-5 

 547-7 

 547-2 

 549-0 

 542-3 

 541-3 

 542-2 

 541-3 



546-1 

 544-1 

 536-7 

 537-5 

 537-5 

 538-6 

 537-9 

 535-3 

 530-2 

 524-5 

 518-5 

 521-5 

 524-0 

 529-6 

 535-4 

 539-0 

 538-0 

 541-8 

 543-1 

 543-0 

 542-6 

 543-1 

 540-6 

 539-9 



Thermo 

 meter. 



46-9 

 48-1 

 48-9 

 49-3 

 49-3 

 48-9 

 48-5 

 48-0 



49-7 

 49-2 

 48-8 

 48-3 

 48-0 

 47-7 

 47-4 

 47-1 

 47-0 

 46-9 

 47-0 

 47-3 

 47-7 

 48-4 

 49-2 

 500 

 50-8 

 51-4 

 51-8 

 51-7 

 51-6 

 51-3 

 51-0 

 50-6 



50-1 

 49-6 

 49-1 

 48-7 

 48-2 

 47-8 

 47-4 

 47- 1 

 47-0 

 46-8 

 46-9 

 47-0 

 47-0 

 47-3 

 47-3 

 47-7 

 47-9 

 48-1 

 48-2 

 48-1 

 47-9 

 47-6 

 47-3 

 46-9 



Balance. 



Cor- ThermO' 

 rected. meter. 



Mic. Div. 

 544-4 

 544-7 

 539-1 

 541-6 

 543-0 

 540- 1 

 538-6 

 539-2 



537-0 

 537-2 

 540-9 

 540-5 

 541-3 

 539-4 

 542-8 

 547-8 

 550-5 

 553-0 

 5530 

 541-8 

 536-1 

 540-5 

 544-5 

 554-8 

 560-3 

 558-0 

 560-6 

 561-3 

 546-8 

 541-9 

 538-0 

 536-3 



529-5 

 512-7 

 526-9 

 535-9 

 541-0 

 5431 

 549-6 

 555-2 

 548-9 

 544-5 

 548-9 

 537-5 

 523-6 

 525-9 

 533-5 

 542-7 

 554-5 

 557-1 

 555-6 

 548-6 

 544-0 

 542-2 

 542-8 

 544-1 



48-2 

 49-1 

 49-5 

 49-5 

 49-5 

 49-0 

 48-4 

 47-8 



49-5 

 49-0 

 48-6 

 48-2 

 47-8 

 47-4 

 47-1 

 46-8 

 46-8 

 46-8 

 47-3 

 47-8 

 48-4 

 49-3 

 50-0 

 51-0 

 51-8 

 52-2 

 52-5 

 52-5 

 52-0 

 51-5 

 50-9 

 50-3 



49-7 



49-2 



48-6 



48-0 



47-5 



47-1 



46-9 



46-6 



46-5 



46-6 



46-7 



47-2 



47-3 



47-5 



47-7 



48-0 



48-3 



48-4 



48-3 



48-1 



47-7 



47-3 



46-8 



46-3 



Hi C 



H 

 B 

 B 

 B 

 B 

 B 

 W 

 W 



H 



H 



H 



H 



H 



H 



W 



W 



B 



W 



W 



W 



W 



W 



W 



W 



W 



H 



H 



H 



H 



H 



B 



B 



B 



B 



B 



B 



B 



B 



H 



H 



W 



H 



H 



H 



H 



H 



H 



H 



H 



B 



B 



B 



B 



B 



W 



W 



BiFILAE. 



Declination. Magnet untouched, April 2<i — May 8<i. 

 Observed 2" after the Declination, ^=0-000140. Balance. Observed 3"' after the Declination, 4=0-000010. 



t Extra Observations made. 



