12 



Daily Obseevations of Magnetometees, May 27 — July 22. 1842. 



Gottingen 



Mean Time of 



Declination 



Observation. 



d. h. m. 



May 27 20 



23 



May 28 2 



5 



May 29 20 



23 



May 30 2 



5 



20 



23 



May 31 2 



5 



20 



23 



June 1 2 



5 



20 



23 



June 2 2 



5 



20 



23 



June 3 2 



5 



20 



23 



June 4 2 



5 



June 5 20 



23 



June 6 2 



5 



20 



23 



June 7 2 



5 



20 



23 



June 8 2 



5 



20 



23 



June 9 2 



5 



Declina- 

 tion. 



126-62 

 130-45 

 13615 

 131-92 



125-88 

 129-30 

 130-32 

 128-43 



123-13 

 125-68 

 130-52 

 129-52 



123-60 

 127-77 

 132-93 

 129-78 



12515 

 127-77 

 135-48 

 132-53 



119-92 

 125-08 

 130-25 

 131-92 



123-93 

 129-56 

 134-44 

 139-55 



123-33 

 130-92 

 133-27 



128-81 



130-82 

 137-68 

 129-62 



126-48 

 127-00 

 134-83 

 132-44 



123-00 

 128-65 

 138-05 

 136-99 



BiFILAR. 



Cor- 

 rected. 



Thermo- 

 meter. 



Sc. DiT. 

 528-3 

 523-8 

 539-2 

 543-3 



529-2 

 527-7 

 544-3 

 545-1 



529-4 

 522-7 

 542-1 

 547-9 



531-7 

 530-4 

 540-3 

 549-5 



532-9 

 531-5 

 549-0 

 547-5 



529-2 

 531-8 

 535-8 

 554-9 



526-8 

 533-6 

 549-4 

 553-8 



522-3 

 516-1 

 536-9 

 5431 



517-5 

 513-5 

 531-2 



548-8 



526-2 

 535-4 

 551-9 



521-5 

 523-0 

 526-4 

 545-8 



54-8 

 58-1 

 61-3 

 63-0 



55-8 

 57-4 

 60-4 

 61-4 



55-4 

 57-1 

 61-0 

 64-1 



54-2 

 55-9 

 57-5 



58-5 



54-1 

 55-4 

 59-0 

 62-4 



54-8 

 56-9 

 63-6 

 68-5 



60-4 

 63-0 

 68-4 

 70-5 



59-2 

 61-3 

 65-3 

 67-6 



58-9 

 60-4 

 65-5 

 69-7 



63-4 

 68-1 

 70-7 



59-4 

 60-4 

 64-3 

 66-5 



Balance. 



Cor- 

 rected. 



Thermo- 

 meter. 



Mic. Div 

 848-4 

 815-0 

 793-8 

 811-5 



846-4 

 824-7 

 800-4 

 819-9 



841-0 

 808-8 

 793-8 

 814-7 



827-1 

 826-4 

 788-6 

 826-4 



821-8 

 791-5 

 796-6 

 832-6 



854-6 

 840-4 

 804-0 

 824-4 



834-1 

 797-2 

 772-5 

 771-9 



834-7 

 819-4 

 811-0 

 829-6 



808-9 

 835-7 

 813-2 

 813-8 



819-3 

 8300 

 815-9 

 804-4 



817-4 

 808-6 

 812-1 

 834-2 



56-2 

 57-8 

 60-5 

 62-3 



55-6 

 56-9 

 59-4 

 60-3 



55-3 

 56-6 

 59-8 

 62-6 



54-4 

 55-7 

 56-8 

 57-9 



54-3 

 55-1 

 58-2 

 60-9 



55-2 

 56-5 

 61-9 

 66-2 



60-5 

 62-4 

 66-7 

 68-9 



59-2 

 60-6 

 64-0 

 66-3 



59-2 

 60-1 

 64-0 

 67-8 



60-7 

 62-9 

 66-8 

 69-1 



59-9 

 60-4 

 63-3 

 65-3 



Gottingen 



Mean Time of 



Declination 



Observation. 



d. h. m. 



June 9 20 



23 



June 10 2 0| 



5 0: 



20 



23 



June 11 2 



5 



June 12 20 



23 



June 13 2 



5 



20 



23 



June 14 2 



5 



20 



23 



June 15 2 



5 



20 



23 



June 16 2 



5 



20 



23 



June 17 2 



5 



20 



23 



June 18 2 



5 



June 19 20 



23 



June 20 2 



5 



20 



23 



June 21 2 



5 



20 



23 



June 22 2 



5 





BirlLAR. 



TION. 



Cor- 



Thermo- 





rected. 



meter. 



, 



Sc Div. 







125-95 



523-8 



57-9 



130-53 



526-2 



60-3 



140-63 



553-1 



63-1 



138-01 



544-7 



64-0 



125-23 



529-4 



58-5 



129-49 



518-8 



60-4 



136-60 



538-5 



64-5 



135-45 



551-5 



69-3 



127-54 



533-6 



58-6 



130-05 



524-6 



60-9 



139-20 



538-6 



68-0 



139-12 



556-4 



73-8 



132-37 



522-1 



65-2 



131-05 



509-2 



66-0 



139-45 



532-6 



69-9 



138-49 



563-9 



72-3 



129-52 



525-5 



61-7 



129-65 



520-2 



62-5 



133-35 



537-2 



64-5 



134-05 



550-3 



68-7 



125-53 



525-0 



61-9 



130-42 



526-8 



63-6 



134-93 



534-8 



64-6 



13313 



542-9 



64-7 



12497 



526-1 



55-7 



133-73 



520-1 



56-9 



136-88 



540-3 



59-2 



133-91 



540-5 



61-3 



126-52 



528-5 



53-5 



130-29 



528-4 



56-3 



134-38 



538-3 



59-9 



133-80 



547-8 



62-1 



127-18 



530-3 



55-0 



129-73 



529-5 



55-9 



1.34-33 



542-0 



58-7 



132-97 



559-8 



63-0 



126-15 



527-8 



58-8 



128-10 



524-4 



61-0 



134-15 



536-3 



65-0 



130-18 



544-5 



68-3 



123-73 



537-6 



59-8 



13005 



523-6 



60-9 



135-35 



538-8 



64-0 



131-55 



553-5 



66-9 



Balance. 



Cor- iThermo- 

 rected. meter. 



Mic. Div.! 



846 

 811 

 761 

 786 



827 

 813 

 801 

 802 



785 

 820 

 795 

 828 



772 

 806 



827 

 848 



792 

 807 

 812 

 803 



825 

 827 

 813 

 831 



843 

 825 

 807 

 827 



835 

 824 

 797 

 805 



849 

 839 

 830 

 819 



831 



824 

 784 

 796 



826 

 804 



785 

 796 



1 



58- 



-8 



59-' 



-8 



62- 



-4 



63- 



-6 



58- 



-0 



59- 



-6 



63- 



-5 



66- 



•0 



58-! 



-2 



60-^ 



-1 



66-( 



-2 



70- 



-9 



65- 



•7 



65-i 



-1 



68- 



-1 



70- 



-8 



61- 



-3 



62- 



-6 



63- 



•0 



67- 



-1 



61- 



-9 



63- 



-6 



63- 



-8 



64- 



-1 



55- 



-1 



56- 



-5 



58- 



•0 



60- 



-3 



53- 



-3 



55- 



-5 



58- 



-9 



60- 



-5 



55- 



-4 



55- 



-5 



57- 



-7 



61- 



-3 



58- 



-0 



60- 



-8 



63- 



i-3 



66- 



)-8 



60- 



t-6 



60- 



-8 



63- 



>-0 



65- 



338' 



BiKlLAR. i~0-0001248 ^=0-000304=2-44 Scale divisions. 

 Balatv-ce. April 17<i— Oct. S-' A-=00000130 </=0-000073=5-60 Micrometer divisions. 

 Declination. Torsion removed. Circle reading. June 3'' 6'', 215°. June 6'* 20'>, 329°. (ISee note below.) 

 '. June 20d 21t>, 40°. 



June IS'' 6'', 



May 30^' 20''. The Declinometer magnet having been removed, and the brass bar inserted, in order to make the Dip observa- 

 tion, the brass bar vs^as allovred to move freely, to find if any torsion existed, when it went round about 400°. See Introduction 

 for remarks on this torsion, and the correction of observations. 



June G"" 20'\ Found two fibres of the Declinometer suspension thread broken, which had induced a considerable quantity of 

 torsion. The fibres were cut off, and the torsion eliminated. 



June 18d ei" ; 21'' 8'> ; 26'i 231'. 



Observations made to determine the value — for Declinometer thread. 



F 



