DAILy OBSERVATIONS OF MAGNETOMETERS, OcTOBER 5—NOVEMBER 2. 1842. 
aL 
Gottingen BIFILAR. BALANCE, Gottingen BIFILAR. | BALANCE. 
Mean Time of | DEcLINA- Mean Time of ‘|| DECLINA- 
Declination TION. Cor- |Thermo-|| Cor- |Thermo Declination TION. Cor- |Thermo-|} Cor- |Thermo 
Observation. rected. | meter. || rected, | meter. Observation. rected. | meter. || rected. | meter. 
ad h. m is Se. Div. o Mice. Diy. d. oh. m. ts Se. Div. ° Mic. Div ° 
Oct. 5 20 0} 125-37 || 540-5| 50-0 || 760-8| 50-0 Oct. 19 20 O|| 126-15 || 536-3) 49-1 | 773-5| 51-6 
23 0] 129-35 || 525-3] 50-8 || 765-3) 50-5 23 0} 131-22 | 529-3) 50-7 || 757-1] 52-6 
Oct. 6 2 O|| 134-11 || 540-2} 54-2 || 758-6) 53-1 Oct. 20 2 0} 135-86 | 545-7] 53-0 || 759-3| 54-2 
5 0] 130-18 | 542-1| 55-2 | 781-7) 54-3 5 0O]| 130-98 || 550-7| 54-9 || 763-1] 56-2 
20 0O|| 124-59 || 541-4) 50-8 | 763-7) 50-6 20 0} 125-68 | 524-5] 42-0 || 758-1| 44-0 
23 0|) 127-27 || 525-5| 52-4 || 766-1} 51-8 23 0}). 127-50 || 526-4) 44-7 || 786-2) 46-2 
Oct. 7 2 O|} 135-59 | 535-8) 54-9 | 752-7) 54-0 Oct. 21 2 O| 133-65 | 541-1] 51-3 || 766-0) 51-6 
5 0] 130-23 | 551-1] 57-3 || 750-4) 56-1 5 O|| 126-82 | 546-1] 52-5 775-1) 52-9 
20 0O|| 126-12 || 528-8| 45-8 | 776-3| 46-6 20 0} 124-48 || 535-6) 47-1 || 756-3) 45-7 
23 0] 132-25 || 518-5] 45-8 || 780-9| 46-5 23 0|| 127-85 || 517-7| 46-0 || 766-1| 47-0 
Oct. 8 2 O} 136-80 || 540-7} 49-7 || 783-9| 48-8 Oct. 22 2 O|} 132-58 | 535-0) 47-7 || 767-3) 47-9 
5 O|| 129-23 || 550-5| 56-3 | 784-7| 54-1 5 0} 126-90 || 540-9| 48-2 || 766-2| 48-2 
Oct. 9 20 O| 124-65 || 538-0] 50-5 || 754-6} 50-3 Oct. 23 20 0] 124-40 || 529.8) 43-0 || 768-3} 42-8 
23 0} 128-63 | 532-7) 51-6 | 746-8) 51-1 23 0} 130-05 || 521-0| 43-2 || 787-2| 43-7 
Oct. 10 2 O|| 131-98 |) 544-3] 54-4 || 746-3) 53-3 Oct. 24 2 OO} 133-07 || 533-9] 51-1 || 773-0) 51-6 
5 0] 126-45 || 542-8| 56-4 | 744-1) 55-3 5 0] 126-52 | 538-0] 52-6 || 776-6| 53-0 
20 O} 124-95 |) 541-5] 53-6 | 747-8| 53-1 20 0] 124-86 | 530-4] 38-6 || 762-9) 40-1 
23 O}| 128-10 || 535-7) 55-4 || 742-3) 54-6 23 0] 127-80 |, 524-6] 38-0 | 775-0} 39-1 
Oct. 11 2 0} 130-89 || 544-7| 60-0 || 726-3| 58-7 Oct. 25 2 0} 130-78 541-2} 47-2 | 776-4] 48-5 
5 0] 126-26 | 547-7| 62-9 || 729-3) 61-2 5 0} 127-10 || 534.8|) 49-8 || 785-5| 50-7 
20 O|}] 124-42 || 535-0| 47-8 || 758-6) 48-6 20 0} 125-86 || 531-5] 38-6 || 764-1| 40-5 
23 O} 125-92 || 519-3] 47-7 || 771-7| 48-0 23 0] 129-72 | 524-6] 39-1 || 771-4} 40-7 
Oct. 12 2 O} 131-36 || 534.9) 52-1 || 758-8) 51-1 Oct. 26 2 OO] 181-92 | 540-8] 49-2 | 775-6] 51-1 
5 O} 126-28 || 547-9| 57-4 || 744-3] 55-4 5 0] 128-60 | 544.3] 50-7 || 767-9] 51-6 
20 O| 124-35 | 535-4) 44-3 | 762:0| 45-1 20 OO} 128-41 || 543-0} 46-5 || 762-1) 48-4 
23 0|| 127-50 || 536-7) 48-1 || 786-8| 49-0 23 0]}) 130-23 || 532-5) 50-4 | 755-2} 51-8 
Oct. 13 2 O| 134-50 || 542-1] 59-9 || 719-0| 59-5 |Oct. 27 2 0] 136-53 | 545-6) 55-3 | 747-0 56-7 
5 0] 133-30 || 542-3| 60-5 || 815-2 59-6 5 0} 129-53 | 543-0] 54-3 || 794-6| 56-0 
20 0} 132-97 || 531-8 50-59 750-8| 50-7 20 0} 128-70 | 528-6] 44-4 | 751-3] 45-4 
23 0} 125-99 || 527-5) 51-6 || 758-8} 51-4 23 0}| 129-30 || 532-9} 45-5 | 771-8] 46-5 
Oct. 14 2 O|] 131-89 || 538-4| 55-7 || 742-4| 54.6 ]Oct. 28 2 0] 131-50 | 541-0) 53-9 | 751-0| 54-5 
5 O]] 133-44 || 532-7| 57-5 || 826-6) 56-5 5 0} 130-47 | 539-0| 53-8 || 769-2| 54-4 
20 O} 125-42 || 536-6] 51-9 || 755-1| 52-0 20 0} 125-99 || 533-5) 46-5 || 755-5) 48-1 
23 0] 130-18 || 528-0] 52-7 || 757-7| 52-4 23 0} 127-32 || 534-7| 50-9 || 768-5} 51-4 
Oct. 15 2 O|}) 132-50 || 544-5) 57-3 || 749-1| 55-9 | Oct. 29 2 0O|| 131-45 || 536-1) 52-4 || 763-1} 52-9 
5 0} 127-20 || 547-4| 60-6 || 739-1) 59-0 5 0] 128-95 | 542-6] 55-5 || 759-6] 56-2 
Oct. 16 20 0|| 126-05 || 534-4) 50-0 ||, 749-7| 49-9 | Oct. 30 20 0] 125-15 || 537-5| 47-2 || 742-7] 47-3 
23 0] 128-80 || 518-3) 49-8 || 755-0} 49-7 23 0] 125-60 || 538-5| 49-5 || 764-5] 49-3 
Oct. 17 2 O]| 132-27 || 537-6| 50-7 || 763-6] 50-3 ]Oct. 31 2 0] 129-08 || 546.2] 55-8 || 739-8| 55-6 
5 0] 116-43 || 547-0| 51-0 || 792-3) 50-6 5 0] 124-95 || 537-5] 55-6 || 763-8| 55-7 
20 O} 126-46 || 529.3) 46-5 || 758-1} 46-9 20 O}| 124-95 | 544-5| 56-7 | 724-7] 57-7 
23 O|| 126-45 || 523-7) 46-0 || 762-1| 46.4 23 || 127-67 || 537-2| 56-7 || 735-8| 57-6 
Oct. 18 2 0] 130-92 || 548-7] 57-4 || -747-5| 57-9 |Nov. 1 2 0] 130-47 || 548-8] 60-7 || 715-5} 61-0 
5 0}| 126-30 || 542-2) 57-5 || 767-2) 57-6 5 0] 127-34 || 548-5) 64-2 || 705-3) 63-7 
20 O] 122-84 || 524-1] 41-2 || 754-9| 42-1 20 0} 126-28 || 537-9} 58-5 || 716-3) 59-7 
23 0] 130-22 || 525-0| 41-7 || 866:0| 42.2 23 0}) 129-50 || 535-4] 57-7 || 719-1] 58-7 
Oct. 19 2 O| 134-30 || 530-2] 43-1 || 880-6) 43-3 ]Nov. 2 2 O|| 133-88 || 541-0| 57-7 || 740-5| 58-7 
5 0] 128-17 || 539-2] 44-5 || 784-2) 44-0 5 0O|| 130-16 || 538-5| 57-7 || 769-S| 68-7 
Birizar. k=0:0001248 g—0:000304=2-44 Scale divisions. 
Batance. April 172—Oct. 84 k=0:0000130 g=0-:000073=5'60 Micrometer divisions. 
ef Oct. 94—Dec. 314 k=0:0000143 g=0:000073=5'10 Micrometer divisions. 
DECLINATION. Torsion removed. Circle reading 157°. Oct. 104 21%, 166°. Oct. 174 21%, 166°. Oct. 244 21, 173°. Oct. 
31¢ 214, 186°. 
Oct. 174—184, Extra observations. Oct. 234, Anemometer erected. 
MAG. OBS. VOL. I. 
