68 



ExTEA Observations of Magnetometers, August 8 — September 18. 1843. 



Gottingen 

 Mean Time. 



Aug. 



d. h. 



8 18 



Aug. 8 19 



Aug. 8 20 

 Aug. 8 21 



Aug. 8 22 



Aug. 22 

 Aua-. 22 1 



Auff. 22 2 



Aug. 22 3 



Aug. 22 4 

 Aug. 22 5 

 Aucr. 22 6 



Sept. 1 

 Sept. 1 1 



Sept. 1 2 



Declination. 



Min. 



of 



Obs. 



40 

 45 



50 

 55 







5 

 20 

 25 

 45 





 20 

 25 









 5 

 10 

 15 

 20 

 25 

 30 

 35 

 40 

 45 

 50 

 55 

 

 20 

 25 

 30 

 35 



45 

 50 



40 

 45 

 50 





 10 

 15 

 35 









 59 





 21 

 43 







Reading 

 Reduced. 



25 42-23 

 39-20 



37-77 

 35-62 

 33-71 

 32-95 

 32-15 

 30-10 

 23-06 

 19-49 

 20-20 

 20-21 

 21-95 



25 31 

 39- 

 37- 

 36' 

 38. 

 39' 

 40' 

 36. 

 35' 

 37' 

 36 

 34. 

 33 

 33 

 33 

 32 

 31 



32- 

 33- 



33-17 



33 

 31. 

 31. 



31 

 30 



28 

 27 

 26 



51 

 -50 

 -07 



-22 



42 

 ■64 

 -33 



94 



28-59 

 29-95 



30-73 

 31-22 

 31-89 



BiFILAR. 



Min. 



of 



Obs. 



42 

 46 

 47 

 52 

 57 



2 



7 

 22 

 27 

 47 



2 

 22 

 27 



2 



2 



7 

 12 

 17 

 22 

 27 

 32 

 37 

 42 

 47 

 52 

 57 



2 

 22 

 27 

 32 

 37 

 42 

 47 

 52 

 57 



2 



7 

 17 

 42 

 47 

 52 

 57 



2 

 12 

 17 

 37 



2 



2 



58 



2 



22 



42 



2 



Reading 



Cor- 

 rected. 



Sc. Div 

 503 

 508 

 508 

 511 

 513 

 512 

 512 

 512 

 504 

 502 

 498 

 486 

 483 

 478 



498 

 490 

 477 

 483 

 492 

 505 

 509 

 481 

 497 

 496 

 494 

 490 

 487 

 530 

 529 

 516 

 517 

 526 

 532 

 536 

 524 

 521 

 524 

 514 

 533 

 512 

 505 

 495 

 504 

 505 

 533 

 523 

 519 



504 

 499 

 499 

 505 

 513 

 514 



Balance. 



Min. 



of 



Obs. 



43 



48 

 53 

 58 



3 



8 

 23 

 28 

 48 



3 

 23 

 28 



3 



13 

 18 

 23 

 28 

 33 

 38 

 43 

 48 

 53 

 58 

 3 

 23 

 28 

 33 

 38 



48 

 53 



43 

 48 

 53 



3 

 13 

 18 

 38 



3 



Reading 



Cor- 

 rected. 



Mic. Div. 



427-6 



421 

 426 

 429 

 436 

 445 

 457 

 482 

 512 

 537 

 595 

 596 

 605 



663 



675 

 673 

 671 

 665 

 664 

 675 

 665 



668 

 672 

 675 



683 

 689 

 692 



705-2 



708-3 

 715-6 

 720-4 



718-9 

 716-6 

 613-2 

 628-5 

 731-3 



Gottingen 

 Mean Time. 



d. h. 

 Sept. 1 2 



Sept. 1 3 



Sept. I 4 



Sept. 1 5 



Sept. 1 6 



Sept. 1 8 



Sept. 1 20 



Sept. 1 22 



Sept. 2 



Sept. 2 1 



Sept. 2 2 



Sept. 2 3 



Sept. 2 4 



Sept. 2 5 



Sept. 2 6 



Sept. 18 10 



Declination. 



Min. 



of 



Obs. 



3 



24 



46 

 10 

 35 



58 

 



18 



40 



7 



30 



50 

 



9 



46 









 15 

 30 

 45 

 

 

 57 

 18 



10 

 



19 

 





 10 



20 



Reading 

 Reduced. 



25 31-22 

 31-00 



32-42 

 33-62 



28-97 



28-30 



27-78 



27-10 



29-35 



29-20 



2301 



20-12 

 19-42 



17-12 

 23-05 

 17-60 



25 



32-55 

 31-72 

 30-37 

 28-17 

 24-41 

 26-83 

 28-44 

 28-35 



28-05 



27-37 

 26-60 

 22-42 

 20-36 



25 



7-65 

 5-65 

 4-28 

 5-33 



BiFILAR. 



Min. 



of 



Obs. 



5 



22 



25 



44 



11 



33 



35 



37 



56 



59 



2 



16 



19 



39 



42 



4 



8 



27 



29 



47 



50 



2 



8 



11 



2 



17 

 32 

 47 



2 



2 

 56 

 18 

 38 

 55 



2 

 11 

 14 

 28 

 31 

 48 

 11 

 29 



2 

 21 

 20 

 38 



2 



2 

 12 

 17 

 22 



Reading 



Cor- 

 rected. 



Sc. Div. 



507-7 

 517-9 

 500-0 

 518-6 

 511-9 

 493-6 

 490-9 

 496-6 

 521-2 

 529-1 

 5251 

 525-9 

 513-8 

 502-9 

 516-7 

 530-1 

 532-4 

 506-3 

 513-2 

 514-2 

 497-8 

 491-8 

 495-9 

 503-8 



511-8 



478-0 

 489-6 

 496-4 

 503-1 

 483-5 

 485-6 

 492-8 

 497-6 

 505-6 

 489-7 

 492-4 

 500-0 

 510-1 

 507-0 

 497-6 

 505-1 

 498-1 

 493-1 

 503-8 

 517-6 

 499-2 

 513-1 

 507-5 



519-0 

 530-1 

 539-5 

 539-7 



BiFILAR. A;=0-0001205, 



Balance. ^=0-000015 approximately. 



BiFILAR Th|:rmomete 

 Balance Thermomete 



R. I 

 ER. J 



Aug. S-i 19'% 



f 60°-4 

 ( 60°-o 



; 22'i l'', I 



Aug. 22*. A faint Aurora observed for a .short period this evening at Edinburgh. 



Sept. I'l — 2'!. Observations made during experiments to determine the temperature correction of the Balance Magnet. 



