68 



Hourly Observations of Magnetometers, December 25 — 31, 1845. 



Gbttingen 

 Mean Time 

 of Declina- 

 tion Obs. 



Declina- 

 tion. 



BiFILAR. 



Balance. 



o 



Gbttingen 

 Slean Time 

 of Declina- 

 tion Obs. 



Declina- 

 tion. 



BiFILAR. 



Balance. 





Cor- 

 rected. 



Thermo- 

 meter. 



Cor- 

 rected. 



Thermo- 

 meter. 



Cor- 

 rected. 



1 

 Thermo- 

 meter. 



Cor- 

 rected. 



Thermo- 

 meter. 



d. h. 



25 19 



m. 







25 06-29 



Sc.Div. 



546-8 



43-8 



Mic. Div. 



386-7 



44-1 



B 



d. h. 

 29 4 



m. 







25 05-77 



Sc.Div. 1 



543-8 1 36-8 



Alic Div. 



428-1 



37-7 



H 



20 







06-93 



547-6 



43-6 



386-6 



43-9 



B 



5 







04-95 



545-6 37-3 



424-5 



38-4 



H 



21 







07-64 



549-3 



43-4 



386-0 



43-8 



H 



6 







04-68 



547-3 38-0 



418-7 



39-1 



B 



22 







07-94 



545-6 



43-4 



391-2 



44-0 



H 



7 







05-82 



547-1 38-6 



414-7 



39-8 



W 



23 







08-80 



542-9 



43-4 



394-3 



44-2 



H 



8 







05-74 



546-8 39-2 



411-5 



40-3 



W 



26 







09-69 



540-8 



43-6 



396-5 



44-5 



H 



9 







05-73 



546-2 39-7 



409-4 



40-9 



W 



1 







10-77 



543-3 



43-8 



399-2 



44-8 



H 



10 







05-51 



545-3 40-3 



409-7 



41-7 



w 



2 







10-90 



546-8 



44-1 



402-3 



45-2 



H 



11 







05-13 



546-2 



40-9 



408-4 



42-5 



H 



.3 







10-77 



548-2 



44-4 



403-5 



45-6 



H 



12 







05-50 



547-4 



41-6 



406-0 



43-3 



H 



4 

 5 

 6 



7 



8 



9 



10 



11 



12 





 

 

 

 

 

 

 

 



09-69 

 09-10 

 08-66 

 08-31 

 07-84 

 07-76 

 07-24 

 06-90 

 06-36 



548-2 

 548-1 

 547-5 

 548-1 

 548-5 

 548-9 

 546-8 

 544-6 

 544-5 



44-7 

 44-9 

 45-0 

 450 

 45-0 

 44-8 

 44-6 

 44-3 

 43-9 



401-2 

 399-4 

 396-6 

 394-9 

 391-4 

 391-3 

 382-0 

 394-5 

 395-5 



45-6 



45-8 



45-8 



45-8 



45-5 ' 



45-2 



44-9 



44-7 



44-2 



H 

 H 

 W 

 W 

 W 

 W 



w 



H 

 H 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 





 

 

 

 

 

 

 

 



25 05-73 

 05-74 

 06-26 

 06-18 

 13-68 

 06-52 

 07-51 

 07-35 

 08-41 



547-0 

 548-5 

 548-2 

 550-2 

 546-2 

 556-3 

 556-4 

 540-0 

 1 544-7 



42-3 

 43-0 

 43-6 

 44-0 

 44-7 

 45-0 

 45-5 

 45-9 

 46-3 



404-0 

 401-6 

 396-7 

 391-3 

 3841 

 363-5 

 3610 

 365-4 

 371-0 



440 

 44-7 

 45-2 

 45-6 

 46-1 

 46-5 

 46-8 

 47-2 

 47-5 



H 

 H 

 H 

 H 

 H 

 H 

 W 



\y 



B 



13 







25 07-20 



544-5 



43-6 



393-5 



43-8 



H 



22 







06-86 



541-6 



46-5 



371-5 



47-5 



W 



14 







07-15 



544-4 



43-3 



394-3 



43-4 



H 



23 







09-31 



i 539-6 



46-6 



378-8 



47-5 



W 



15 







07-04 



545-3 



43-0 



392-4 



43-1 



H 



30 







10-77 



533-9 



46-6 



382-8 



47-6 



w 



16 







07-35 



544-8 



42-7 



392-3 



42-7 



H 



1 







10-89 



' 530-0 



46-7 



395-3 



47-6 



w 



17 







07-34 



548-5 



42-4 



389-4 



42-3 



H 



2 







15-56 



533-3 



46-8 



407-1 



47-7 



w 



18 







07-98 



546-0 



42-2 



391-5 



420 



H 



3 







01-84 



542-7 



46-9 



441-7 



47-8 



w 



19 







07-76 



545-2 



41-9 



393-4 



41-7 



W 



4 







16-82 



540-4 



47-0 



430-1 



47-9 



w 



20 







07-10 



545-4 



41-6 



3940 



41-4 



W 



5 







06-00 



539-8 



47-1 



428-6 



48-0 



H 



21 







08-58 



546-0 



41-3 



394-6 



410 



B 



6 







04-60 



534-7 



47-2 



430-8 



47-8 



H 



22 







08-08 



542-4 



41-0 



396-9 



40-8 



W 



7 







07-29 



534-5 



46-9 



438-9 



47-4 



H 



23 







09-00 



5431 



40-8 



395-0 



40-6 



W 



8 







07-07 



532-0 



46-6 



425-7 



47-0 



H 



27 







10-50 



542-4 



40-6 



398-9 



40-5 



W 



9 







25 08-08 



537-3 



46-3 



398-2 



46-5 



H 



1 







11-84 



542-5 



40-4 



402-4 



40-5 



W 



10 







24 59-83 



540-0 



45-9 



396-5 



46-0 



H 



2 







11-74 



540-8 



40-3 



403-9 



40-5 W 



11 







25 08-55 



534-6 



45-5 



389-3 



45-4 



B 



3 







11-24 



5321 



40-3 



412-0 



40-5 W 



12 







06-12 



; 535-1 



45-0 



385-5 



44-8 



B 



4 



5 



6 



7 



8 



9 



10 



11 



12 





 

 

 

 

 

 

 

 



10-00 

 11-12 

 09-02 

 08-99 

 07-84 

 07-42 

 05-45 

 06-63 

 06-93 



537-4 

 541-6 

 546-0 

 j 542-9 

 542-8 

 542-5 

 542-4 

 545-1 

 547-1 



40-2 

 40-1 

 40-0 

 40-0 

 40-0 

 40-1 

 40-3 

 40-7 

 41-2 



422-0 

 413-1 

 412-5 

 413-5 

 412-7 

 413-6 

 413-8 

 413-1 

 409-7 



40-6 

 40-5 

 40-6 

 40-7 

 40-8 

 41-0 

 41-3 

 41-7 

 42-3 



W 

 W 

 H 

 H 

 H 

 H 

 H 

 B 

 B 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 





 

 

 

 

 

 

 

 



25 05-56 

 09-12 



09-24 

 10-90 

 09-24 

 10-40 

 12-51 

 10-33 

 12-02 



533 7 

 538-1 

 537-3 

 538-1 

 537-9 

 539-2 

 540-4 

 544-3 

 541-3 



44-5 

 43-9 

 43-3 

 42-8 

 42-3 

 41-9 

 41-6 

 41-3 

 41-0 



382-7 

 381-6 

 382-2 

 386-6 

 391-3 

 393-8 

 392-1 

 394-6 

 396-4 



44-1 

 43-4 

 42-8 

 42-2 

 41-8 

 41-5 

 41-3 

 41-1 

 40-8 



B 

 B 

 B 

 B 

 B 

 B 

 H 

 H 

 W 



28 13 







25 07-40 



540-7 



38-1 



407-3 



37-4 



W 



22 







11-62 



537-5 



40-7 



396-2 



40-7 



H 



14 







07-51 



540-5 



37-7 



409-4 



37-1 



W 



23 







12-89 



535-2 



40-7 



3993 



40-7 



H 



15 







07-60 



541-7 



37-4 



409-9 



36-7 



W 



31 







1208 



534-7 



40-5 



405-2 



40-7 



H 



16 







08-18 



i 542-7 



37-0 



410-1 



36-4 



W 



1 







12-16 



535-0 



40-5 



409-2 



40-7 



H 



17 







07-34 



543-4 



36-7 



407-3 



360 



W 



2 







10-72 



535-4 



40-6 



418-8 



40-9 



H 



18 







07-22 



, 544-1 



36-4 



406-8 



35-7 



W 



3 







10-70 



' 544-0 



40-7 



423-2 



41-2 



H 



19 







07-07 



544-3 



36-1 



409-7 



35-5 



B 



4 







10-09 



541-3 



40-8 



425-7 



41-5 



H 



20 







07-11 



543-6 



35-8 



410-0 



35-3 



B 



5 







09-49 



543-4 



40-9 



424-3 



41-6 



H 



21 







06-83 



542-9 



35-6 



410-6 



35-3 



H 



6 







08-99 



543-9 



41-0 



420-0 



41-7 



B 



22 







06-98 



542-8 



35-4 



406-0 



35-2 



H 



7 







08-99 



542-6 



41-0 



417-0 



41-7 



B 



23 







07-87 



541-8 



35-4 



404-1 



35-3 



H 



8 







i 07-72 



541-5 



41-1 



416-9 



41-7 



B 



29 







08-75 



541-3 



35-4 



410-9 



35-5 



H 



9 







1 00-53 



536-9 



41-1 



418-6 



41-8 



B 



1 







06-42 



542-8 



35-5 



415-4 



36-0 



H 



10 







07-31 



541-0 



41-2 



416-7 



42-0 



B 



2 







07-05 



535-1 



35-8 



419-4 



36-5 



H 



11 







12-35 



. 537-8 



41-4 



413-2 



421 



W 



3 







06-27 



542-9 



36-3 



425-9 



371 



1 H 



12 







1 06-04 



i 538-4 



41-5 



410-4 



42-3 



W 



Declina 



TION. Torsi 



3n removed, — Dee 



:. 294 0^11, 0° ; 29* 19J 



\ -11°; 



304 



9N +7r*; 



314 Oh, 0°, + 12°* 



. Effect 



of -4- 10 



° of 



BiFILAR. 



Observed 2 



™ after the Declin 



torsion =: 

 ation, A;=0-000140. 



: - 0'-84. 

 Balance 



Observed 3 



™ after the Declin 



ation, k- 



=0-00C01 



0. 



Dec. 294 lh_ 

 tions of the un 

 * Dec. 30d 8b 

 Dec. 304 lOh- 

 » Dec. 314 01 

 unifilar. 



304 7h. Magne 



ifilar. 



. The deflectir 



-nil. Thedecli 



. Suspension 



t with short scale ns 



g magnet vibrated ii 

 nation magnet seems 

 tliread wound up ab 



ed in the declinometer. T 



the declinometer box. 

 to have a tendency to vibral 

 out i of an inch ; torsion ag 



tie declination at 



e through large e 

 ain removed. T 



294 5h— 61i, an 



ires even after t 

 he declination 



d 304 St— 9b, has bee 



he arc has been made 

 at 314 Ob deduced fr 



n deducec 



verysmal 

 cm an obs 



1 from obs 



1 by check 

 ervation c 



erva- 



ng. 

 f the 



