ExTKA Observations of Magnetometers, March 29 — 30, 1844. 



117 



BiFILAR 



Corrected. 



Sc. Div. 



511-4 



515-8 



532-4 



5251 



512-1 



490-6 



476-5 



467-5 



427-5 



423-6 



425-0 



441-8 



445-5 



452-9 



465-5 



478-1 



479-5 



490-7 



493-1 



496-3 



498-1 



500-4 



502-1 



500-1 



501-7 



502-7 



507-3 



512-0 



511-4 



512-0 



504-0 



504-6 



516-4 



521-0 



515-0 



521-8 



523-4 



516-8 



522-6 



517-2 



511-4 



501-7 



504-5 



498-1 



501-8 



498-3 



496-7 



503-5 



496-6 



497-9 



495-0 



492-6 



485-8 



490-9 



486-5 



490-5 



490-9 



491-9 



487-0 



487-3 



488-4 



Balance 

 Corrected. 



Min. 

 58 



3 

 33 

 38 

 43 

 48 

 53 

 58 



3 



14 



18 



23 



28 



33 



3» 

 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 



13 

 18 

 23 



28 



Gott. 

 Alean 

 Time. 



Mic. Div. 

 553-0 

 552-3 

 527-1 

 522-4 

 520-1 

 511-0 

 487-7 

 455-3 

 397-7 



378-6 



401-5 



462-4 



467-4 



460-3 



402-1 



401-7 



396-9 



406-0 



389-9 



394-1 



418-5 



386-8 



454-7 



482-3 



497-3 



513-8 



527-4 



533-8 



545-4 



552-0 



558-3 



567-3 



575-0 



584-4 



596-4 



601-1 



602-7 



609-0 



613-4 



621-8 



627-3 



631-6 



639-9 



645-3 



646-8 



649-8 

 650-6 

 652-2 

 656-3 



d. h. 

 29 21 



29 22 



29 23 



Declination. 



30 



30 1 



Min. 



30 

 35 

 36 



40 

 41 



45 

 46 



50 

 55 







5 

 10 

 15 

 20 

 25 





 10 

 20 

 25 

 30 

 31 

 35 

 36 



40 

 45 

 50 

 55 

 

 5 

 10 

 15 

 20 

 25 

 30 

 35 

 40 

 45 

 46 

 50 

 51 



55 

 56 





 5 



10 

 11 

 14 

 15 

 16 

 19 

 20 

 21 

 24 

 25 



25 



28-90 

 30-81 

 31-38 



31-21 

 31-18 



33-20 

 32-94 



32-22 

 29-81 

 28-55 

 28-77 

 29-07 

 28-58 

 27-01 

 26-77 

 26-63 

 26-77 

 28-45 

 27-61 

 29-66 

 30-78 

 26-87 

 25-44 



23-38 

 22-22 

 24-64 

 27-10 

 28-82 

 28-77 

 28-09 

 29-06 

 28-08 

 28-72 

 28-08 

 27-82 

 26-34 

 29-46 

 29-77 

 30-89 

 32-02 



31-43 

 32-89 



30-69 

 30-10 



31-53 

 32-26 

 33-36 

 32-00 

 32-12 

 34-61 

 35-63 

 35-92 

 36-91 

 34-27 



Bifilar 

 Corrected. 



Min. 



32 



37 

 39 



42 

 44 



47 

 49 

 52 

 57 

 2 

 7 

 12 



22 

 27 

 2 

 12 

 22 

 27 

 32 

 34 



37 

 39 

 42 

 47 

 52 

 57 

 2 

 7 

 12 

 17 

 22 

 27 

 32 

 37 

 42 

 47 

 49 



52 

 54 



57 



59 



2 



7 



12 



17 



22 



Sc. Div. 



482-3 



472-7 

 480-8 



474-9 

 470-8 



471-9 

 474-0 

 477-0 

 482-4 

 488-7 

 491-4 

 492-2 



489-3 

 490-5 

 493-9 

 498-7 

 483-5 

 486-7 

 486-4 

 484-5 



491-0 

 499-2 

 504-5 

 511-4 

 510-9 

 507-4 

 500-7 

 502-6 

 492-8 

 494-0 

 502-0 

 491-1 

 485-4 

 480-8 

 506-7 

 523-5 

 526-2 



523-4 

 533-2 



512-5 

 503-7 

 503-9 

 498-0 

 494-5 



500-5 



5U-1 



519-5 



Balance 

 Corrected. 



Min. 



33 

 38 



43 



38 



43 



48 

 53 

 58 

 3 

 8 

 13 

 18 

 23 

 28 

 33 

 38 

 43 

 48 



53 



58 



3 



8 



13 

 18 

 23 



Mic. Div. 



663-9 

 669-0 



676-0 



676-9 



671-6 



668-7 

 671-8 

 671-4 

 672-7 



679-6 

 683-7 

 702-5 

 706-6 

 722-5 

 730-9 

 746-1 



764-2 



770-5 

 779-2 

 791-0 

 801-8 

 808-4 

 814-0 

 827-5 

 826-9 

 823-4 

 820-7 

 817-7 

 807-7 

 793-2 

 788-4 



790-9 



797-5 



799-1 

 799-1 



798-4 

 790-7 

 790-5 



Gbtt. 

 Wean 

 Time. 



d. h. 

 30 1 



Declination. 



30 2 



Min. 



26 

 29 

 30 

 31 

 32 



34 

 35 



37 



39 

 40 



42 



25 



30 3 



20 



25 



33-90 

 35-33 

 35-87 

 34-35 

 33-33 



35-09 

 35-62 



34-75 



34-32 

 34-37 



31-75 



30-51 



31-32 



31-43 



29-59 



27-51 

 26-94 

 25-51 



24-82 



25-93 

 24-28 



25-54 

 25-53 



26-77 



25-53 



BiFILAK 



Corrected. 



Balance 

 Corrected. 



Min. 



28 



33 



36 

 38 



43 



48 



51 



53 



58 



3 



8 



13 



23 



28 



33 



38 



43 

 48 

 53 

 58 

 3 



836-3 



839-5 

 837-5 



836-1 

 829-5 

 824-3 

 815-6 

 809-1 

 808-6 



Bifilar. i=0-000140. 



Balance. i=0-0000085. 



March 29*^ 21'» 35™. The vibrations of the bifilar seem to be suddenly checked occasionally. 

 March 30'' 1' So" — 30". Declination magnet vibrating 3' — 4'; 30" — 50", bifilar vibrating 8 — 12 divisions, 

 vibrating 3' — 5', and bifilar 8 — 15 divisions. 



1 8"— 3'' 40". Declination 



MAG. AND MET. OBS. 18-14. 



2g 



