12 



Hourly Observations of Magnetometers, February 24 — 28, 1845, 



Gottingen 

 Mean Time 

 of Declina- 

 tion Obs. 



d. 

 24 



5 



6 



7 



Of 



8 



o- 



9 



o- 



10 



0-- 



11 



0- 



12 



0- 



13 



14 



15 Of 



16 



17 



18 



19 2 



20 



21 



22 



23 

 25 



1 



2 



3 



4 



5 



6 



7 



Declina- 

 tion. 







Of 



ot 



Of 

 Of 



Of 



8 



9 



10 



11 Of 



12 oi- 

 ls Of 



14 of 



15 



16 



17 



18 



19 



20 



21 



22 



23 

 26 



1 Of 



2 



3 Of 



4 of 



5 



6 



7 



8 j 



9 



10 



11 



12 Of 



25 13-46 

 25 14-15 

 24 48-81 



24 50-73 



25 09-33 

 19-66 

 05-79 

 08-73 



25 



25 



11-66 

 04-61 

 10-20 

 12-35 

 0903 

 16-28 

 10-31 

 14-18 

 17-89 

 15-05 

 14-99 

 1505 

 20-25 

 22-45 

 15-72 

 21-10 

 15-64 

 05-05 

 06-97 

 07-31 

 13-02 

 12-69 

 13-22 

 14-84 



06-97 

 09-82 

 14-94 

 14-51 

 11-07 

 08-72 

 17-93 

 13-19 

 12-42 

 16-73 

 15-81 

 20-56 

 17-46 

 22-89 

 23-54 

 03-34 

 17-33 

 14-71 

 13-58 

 14-80 

 11-52 

 11-64 

 0919 

 12-89 



BiFlLAE. 



Cor- 

 rected. 



Thermo- 

 meter. 



Sc. TJiv. 



542-1 

 5.38-1 

 558-2 

 534-3 

 515-5 

 521-2 

 516-8 

 524-5 



520-9 

 529-2 

 520-3 

 533-1 

 518-4 

 527-9 

 532-3 

 523-0 

 528-7 

 521-0 

 526-0 

 527-2 

 535-8 

 534- 1 

 547-4 

 532-3 

 544-9 

 543-5 

 528-3 

 538-1 

 540-4 

 539-9 

 530-4 

 544-6 



528-3 

 520-0 

 522-7 

 528-8 

 534-0 

 524-8 

 534-5 

 537-9 

 533-6 

 539-6 

 525-2 

 533-8 

 511-6 

 523-0 

 541-8 

 546-6 

 539-9 

 536-1 

 535-3 

 535-6 

 537-5 

 541-8 

 533-3 

 525-4 



38-9 

 39 1 

 39-3 

 39-3 

 39-1 

 38-9 

 38-6 

 38-2 



37-8 

 37-3 

 36-8 

 36-3 

 35-8 

 35-2 

 34-6 

 340 

 33-4 

 32-8 

 32-4 

 32-2 

 32-2 

 32-5 

 33-1 

 34-1 

 35-0 

 35-6 

 36-0 

 36-4 

 36-7 

 36-7 

 36-7 

 367 



36-8 

 36-9 

 36-9 

 36-9 

 36-9 

 36-9 

 37-0 

 37-0 

 37-1 

 37-2 

 37-4 

 37-6 

 37-8 

 38-0 

 38-2 

 38-3 

 38-5 

 38-7 

 38-7 

 38-8 

 38-7 

 38-7 

 38-7 

 38-7 



Balance. 



Cor- 

 rected. 



Thermo- 

 meter. 



Mic. DiT. 



595-3 

 581-6 

 587-9 

 575-9 

 553-6 

 480-9 

 492-8 

 471-1 



444-6 

 465-8 

 478-8 

 487-6 

 513-7 

 471-3 

 474-8 

 511-1 

 518-3 

 531-1 

 543-4 

 548-8 

 555-1 

 581-2 

 616-6 

 616-0 

 607-9 

 6090 

 613-8 

 603-8 

 593-3 

 566-0 

 527-0 

 450-5 



467-9 

 479-3 

 483-6 

 500-5 

 523-9 

 527-5 

 509-7 

 507-0 

 525-6 

 541-6 

 542-9 

 539-1 

 563-8 

 582-3 

 591-3 

 668-4 

 618-6 

 603-5 

 591-1 

 578-7 

 571-9 

 550-8 

 554-3 

 538-6 



39-5 

 39-6 

 39-7 

 39-6 

 39-3 

 39-0 

 38-5 

 37-9 



37-5 

 36-9 

 36-3 

 35-6 

 34-8 

 34-1 

 33-4 

 32-7 

 32-1 

 31-5 

 31-2 

 313 

 31-9 

 32-9 

 33-9 

 35- 1 

 36-0 

 36-5 

 370 

 37-3 

 37-4 

 37-4 

 37-2 

 37-3 



37-5 

 37-7 

 37-7 

 37-7 

 37-7 

 37-6 

 37-7 

 37-7 

 37-8 

 38-0 

 38-2 

 38-4 

 38-6 

 38-9 

 39-2 

 39-2 

 39-3 

 39-3 

 39-4 

 39-4 

 39-4 

 39-3 

 39-2 

 39-3 



-Q l-H 



O 



Gottingen 

 Mean Time 

 of Declina- 

 tion Obs. 



H 

 W 

 W 

 W 

 W 

 W 

 H 

 H 



H 



H 



H 



H 



H 



H 



W 



W 



B 



W 



W 



W 



W 



W 



W 



W 



B 



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 



d, h. m. 



26 13 



14 



15 Of 



16 



17 



18 



19 



20 



21 



22 



23 

 27 







1 



2 



3 



4 



5 



6 



7 





 

 

 

 2 

 

 



8 Of 



9 of 



10 of 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 

 28 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 0' 



11 



12 



13 



14 Of 



15 



16 



17 



18 



19 



20 



Declina- 

 tion. 



25 



25 

 24 

 25 



25 



25 



12-72 

 11-42 

 18-47 

 12-62 

 12-38 

 12-28 

 12-72 

 12-38 

 11-52 

 15-07 

 15-14 

 18-82 

 19-71 

 22-03 

 17-81 

 17-02 

 14-80 

 14-80 

 13-49 

 01-59 

 52-40 

 04-32 

 10-25 

 08-95 



14-13 

 19-48 

 11-41 

 1518 

 13-32 

 12-65 

 1215 

 13-83 

 12-11 

 12-09 

 13-91 

 19-66 

 20-92 

 2301 

 19-84 

 19-35 

 16-72 

 07-47 

 12-95 

 13-19 

 12-11 

 01-95 

 09-40 

 11-99 



10-94 

 05-60 

 08-82 

 11-08 

 11-30 

 13-07 

 13-05 

 12-98 



BiFILAR. 



Cor- 

 rected. 



Sc. niv. 



533-2 

 529-4 

 530-2 

 534-5 

 535-5 

 534-5 

 536-6 

 535-9 

 531-4 

 523-5 

 527-1 

 533-9 

 537-5 

 541-2 

 535-0 

 538-1 

 537-1 

 539-1 

 537-9 

 549-2 

 544-3 

 526-5 

 531-4 

 534-5 



529-0 

 5241 

 534-8 

 528-2 

 535-3 

 535-2 

 540-2 

 537-3 

 535 

 529-7 

 527-3 

 533-1 

 523-8 

 530-6 

 530-6 

 538-1 

 532-9 

 539-6 

 542-4 

 534-8 

 536-5 

 5430 

 531-2 

 534-4 



529-4 

 533-0 

 528-0 

 528-8 

 530-8 

 532-2 

 534-7 

 533-3 



Thermo- 

 meter. 



38-7 

 38-7 

 38-7 

 38-6 

 38-4 

 38-1 

 37-8 

 37-6 

 37-4 

 37-2 

 37-1 

 37-3 

 37-8 

 38-7 

 39-4 

 40-0 

 40-6 

 40-9 

 41-0 

 41-0 

 40-9 

 40-7 

 40-5 

 40-3 



40-0 

 39-8 

 39-6 

 39-4 

 39-2 

 390 

 38-8 

 38-7 

 38-6 

 38-4 

 38-3 

 38-3 

 38-3 

 38-5 

 38-7 

 39-0 

 39-4 

 39-4 

 39-4 

 39-2 

 38-8 

 38-5 

 38-1 

 37-8 



Balance. 



Cor- 

 rected. 



Thermo- 

 meter. 



Mic. Div. 



512-8 

 5331 

 506-8 

 522-3 

 539-0 

 542-6 

 547-6 

 549-3 

 554-7 

 553-7 

 551-9 

 552-2 

 550-5 

 560-8 

 567-2 

 572-3 

 574-2 

 580-4 

 576-6 

 575-1 

 574-4 

 565-6 

 560-8 

 550-3 



543-8 

 502-4 

 518-0 

 543-8 

 543-6 

 551-6 

 554-7 

 558-5 

 560-7 

 564-3 

 558-3 

 551-5 

 554-6 

 561-5 

 563-9 

 567-6 

 585-6 

 596-4 

 582-0 

 580-8 

 567-1 

 568-9 

 566-5 

 565-3 



37-4 



561-8 



37-0 



504-2 



36-7 



527-2 



36-3 



542-0 



35-9 



551-2 



35-6 



558-1 



35-3 



558-6 



350 



562-9 



39-3 

 39-3 

 39-1 

 38-9 

 38-6 

 38-2 

 37-9 

 37-6 

 37-4 

 37-2 

 37-4 

 38-0 

 38-9 

 39-8 

 40-6 

 41-2 

 41-6 

 41-8 

 41-8 

 41-5 

 41-4 

 41-3 

 41-2 

 40-8 



40-6 

 40-3 

 40-0 

 39-7 

 39-5 

 39-2 

 38-9 

 38-7 

 38-5 

 38-3 

 38-3 

 38-3 

 38-5 

 38-8 

 39-2 

 39-6 

 39-9 

 40-0 

 39-6 

 39-1 

 38-5 

 38-1 

 37-7 

 37-3 



36-8 

 36-4 

 36-0 

 35-5 

 35-1 

 34-8 

 34-4 

 34-1 



Declination. Magnet untouched, Feb. S* — March 23*. 

 Jifilar. Observed 2"> after the Declination, A-=0-000140. Balance. Observed 3'" after the Declination, /:=0-000010. 



t Extra Observations made. 



