Extra Observations of Magnetometers, April 17, 1844. 



123 



BiFILAR 



Corrected. 



»in. 

 4| 

 6* 



8; 



11: 



12f 



I4| 



m 



i9i 



21| 



23J 



271 



32 



37 



42 



47 



52 



57 



2 



7 

 12 

 17 

 22 

 27 

 32 

 37 

 42 

 47 

 52 

 57 



2 



7 

 12 

 17 

 22 

 27 

 32 

 37 

 42 

 47 

 52 

 57 



2 



7 

 12 

 17 

 22 

 27 

 32 

 37 

 42 

 47 

 52 

 57 



2 



7 

 12 

 17 

 22 

 27 

 32 



Sc. Div. 



574-5 

 587-2 

 589-5 

 595-1 

 598-0 

 607-8 



599-5 

 602-8 

 601-5 

 593-3 

 580-9 

 568-4 

 569-1 

 567-0 

 552-7 

 550-4 

 553-6 

 546-3 

 554-4 

 560-8 

 566-1 

 568-3 

 552-6 

 561-0 

 554-3 

 561-9 

 564-1 

 566-7 

 564-6 

 562-8 

 558-2 

 569-6 

 555-3 

 556-6 

 560-5 

 565-9 

 568-6 

 570-9 

 570-8 

 576-0 

 577-7 

 577-5 

 572-6 

 572-7 

 559-9 

 558-7 

 546-9 

 553-0 

 555-1 

 551-6 

 557-7 

 561-3 

 563-2 

 565-0 

 559-4 

 559-4 

 552-2 

 546-6 

 549-9 

 549-5 



Balance 

 Corrected. 



Min. Mic.Div, 



7J 

 H 



12J 

 13J 

 161 

 18J 



22| 



24| 



28J 



33 



38 



43 



48 



53 



58 



3 



8 

 13 

 18 

 23 

 28 

 33 

 38 

 43 

 48 

 53 

 58 



3 



8 

 13 

 18 

 23 

 28 

 33 

 38 

 43 

 48 

 53 

 58 



3 



8 

 13 

 18 

 23 

 28 

 33 

 38 

 43 

 48 

 53 

 58 



3 



8 

 13 

 18 

 23 

 28 

 33 



1141-8 

 1133-8 



1138-9 

 1133-0 

 1108-8 

 1084-5 



1056-0 



1058-9 



051-4 



1037-9 



1039-3 



1024-1 



998-1 



974-7 



957-1 



948-3 



935-9 



923-4 



918-1 



916-5 



921-8 



916-5 



924-6 



932-2 



937-1 



943-9 



951-9 



945-2 



943-0 



939-4 



954-4 



949-7 



948-2 



955-4 



964-4 



979-9 



1006-4 



1005-5 



1017-0 



10160 



1029-0 



1013-3 



1009- 1 



995-1 



1000-8 



974-9 



961-7 



952-3 



936-2 



928-3 



920-5 



915-6 



915-9 



917-5 



927-7 



939-8 



941-9 



936-1 



Gott. 

 Mean 

 Time. 



d. h. 

 17 5 



17 6 



17 8 



Declination. 



Min. 



35 

 40 

 45 

 50 

 55 

 

 5 



10 

 15 



20 



23 



25 



27 

 28 



30 



32 

 33 



35 



25 



23-78 

 21-77 

 20-55 

 20-65 

 10-83 

 19-93 

 34-44 

 35-70 

 35-02 

 32-60 

 28-22 



32-13 



34-27 



28-82 



23-96 

 23-52 



26-70 



29-53 

 32-19 



34-07 



BiFILAK 



Corrected. 



Min. 



37 

 42 

 47 

 52 



57 

 2 



12 

 15 

 17 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 31 

 32 

 33 

 34 

 35 

 36 

 37 

 38 

 39 

 40 

 41 

 42 

 43 

 44 



47 

 52 

 57 

 2 

 7 

 12 

 17 

 22 

 27 

 32 

 37 

 42 

 47 

 52 

 57 

 2 

 7 

 12 

 17 

 22 

 27 

 32 

 37 



So. Div. 



553-0 

 555-9 

 551-3 

 544-6 

 582-6 

 593-2 



5640 



554-9 

 569-4 

 571-1 

 570-8 

 561-8 

 551-0 

 541-5 

 539-8 

 541-8 

 547-4 

 562-2 

 566-3 

 580-2 

 577-2 

 573-6 

 572-0 

 568-3 

 558-3 

 549-2 

 545-7 

 546-6 

 547-6 

 546-8 

 545-2 

 541-2 

 537-1 

 535-9 

 535-8 



535-1 

 529-1 

 534-1 

 539-8 

 552-5 

 535-9 

 528-5 

 525-9 

 535-7 

 535-6 

 537-4 

 537-8 

 532-8 

 534-3 

 533-5 

 526-7 

 520-1 

 522-8 

 521-5 

 523-9 

 523-9 

 525-7 

 527-9 



Balance 

 Corrected. 



Min. 



38 

 43 



48 



53 



58 



3 



13 



18 



22 

 24 



29 

 31 



34 

 36 



39 

 41 



.Mic. Div. 



940-5 

 941-4 

 944-9 

 945-2 

 926-3 

 931-8 



963-5 

 984-8 



975-6 



972-1 

 971-9 



980-2 

 9830 



983-7 

 985-6 



985-3 

 983-4 



974-2 

 967-6 

 967-7 

 954-8 

 942-7 

 940-7 

 941-8 

 934-3 

 946-4 

 938-5 

 942-1 

 936-8 

 933-4 

 927-8 

 929-5 

 935-2 

 923-0 

 929-9 

 893-2 

 904-7 

 895-8 

 890-0 

 875-6 

 861-8 



Gott. 

 Mean 

 Time. 



d. h. 

 17 9 



17 10 



17 11 



17 12 



Declination. 



17 13 



Min 





 20 

 30 

 35 

 40 

 45 

 50 

 55 

 

 5 

 10 

 15 

 20 

 25 

 30 

 35 

 40 

 45 

 50 

 55 

 

 5 

 10 

 15 

 20 

 25 



35 

 40 

 45 

 

 5 

 10 

 15 

 20 

 25 



30 

 35 

 40 

 45 

 50 



55 







5 



10 

 15 

 20 

 25 

 30 



35 



44 

 45 



25 



15-65 

 08-72 

 09-42 

 1006 

 12-93 

 13-05 

 10-83 

 08-83 

 07-91 

 06-06 

 04-86 

 03-45 

 02-62 

 01-39 

 00-77 

 02-60 

 04-98 

 06-06 

 05-08 

 02-12 

 04-61 

 06-86 

 06-70 

 05-89 

 06-39 

 07-49 



08-83 

 07-94 

 08-56 

 10-38 

 09-30 

 07-44 

 06-50 

 06-03 

 06-07 



06-03 

 06-12 

 06-09 

 04-71 



05-72 



U-72 



15-41 



15-62 



11-75 

 10-47 

 13-29 

 15-92 

 16-45 



16-15 



12-90 

 11-95 



Bifilar 

 Corrected. 



Min. 



2 

 22 



32 

 37 

 42 

 47 

 52 

 57 

 2 

 7 

 12 

 17 

 22 

 27 

 32 

 37 

 42 

 47 

 52 

 57 

 2 

 7 

 12 

 17 

 22 

 27 

 32 

 37 

 42 

 47 

 2 

 7 

 12 

 17 

 22 

 27 

 29 

 32 

 37 

 42 

 47 

 52 

 54 

 56 

 57 

 59 

 1 

 3 

 ,7 

 9 

 12 

 17 

 22 

 27 



32 

 36 

 37 



42 



47 



.Sc. Div. 



523-7 



531-5 



532-0 



540-3 



524-9 



512-6 



513-9 



521-3 



515-7 



516-2 



515-9 



518-7 



515-5 



520-4 



527-2 



520-0 



516-8 



513-2 



520-5 



533-1 



530-0 



520-4 



514-6 



514-9 



515-9 



513-6 



519-2 



513-3 



517-9 



516-6 



504-1 



505-3 



506-2 



508-2 



506-6 



514-5 



517-4 



517-6 



505-8 



499-7 



511-7 



514-2 



504-5 



495-4 



491-0 



489-6 



486-1 



488-6 



483-1 



484-8 



494-6 



502-8 



503-5 



504-3 



502-9 

 495-3 

 497-5 

 501-4 



Balance 

 Corrected. 



Min. 



3 

 23 

 33 

 38 

 43 

 48 

 53 

 58 



3 



8 

 13 

 18 

 23 

 28 

 33 

 38 

 43 

 48 

 53 

 58 



3 



8 

 13 

 18 

 23 

 28 

 33 

 38 

 43 

 48 



3 



8 

 13 

 18 

 23 

 28 



33 

 38 

 43 



48 

 53 

 54 



58 



511-2 48 630-3 



Bifilak. *-=0-000140. 



Bal.ince. ;t=0-0000085. 



April 17'» e' 20». The readings of the bifilar diminished slowly and without vibration from 20"- till 23» 55', when they began to increase, 

 continuing to increase till 29" 15", when they again diminished gradually till 36", still without vibration ; at 37" the magnet began to vibrate 

 slightly. ° 



* See notes on the Aurora Borealis, after the Sljctra Observations of Magnetometers. 



