ExTEA- Observations of Magnetometees, July 2, 3. 1842. 



55 



Gottingen 

 Slean Time. 



Declination. 



BiFILAE. 



Balance. 



Gottingen 

 Mean Time. 



Declination. 



BiFlLAR. 



Balance. 



Min. 

 of 

 Obs. 



Reading 

 Reduced. 



Min. 



of 



Obs. 



Reading 



Cor- 

 rected. 



Min. 



of 



Obs. 



Reading 



Cor- 

 rected. 



Min. 



of 



Obs. 



Reading 

 Reduced. 



Min. 1 Reading 



of ^ Cor- 



Obs. rected. 



Min. 



of 



Obs. 



Reading 



Cor- 

 rected. 



d. h. 



m. 



. 



in. 



Sc. Div. 



m. 



Mic. Div. 



d. h. 



m 



' 



m. Sc. Div. 



m. 



Mic. Div. 



July 2 10 



48 



123-27 







48 1 



346 



July 2 12 



30 



110-85 





30 



498 





50 



122-33 



50 



374-4 



51 



354 





32 



113-60 



32 517-2 



33 



479 





52 



118-97 



53 



424-5 









34 



117-57 1 



35 I 506-5 









54 



116-77 







54 



327 





36 



120-32 



1 



36 



482 





56 



115-88 



56 



419-4 



57 



310 





38 



119-38 



38 ! 494-2 



39 



509 





58 



116-70 



59 



423-9 









40 



117-57 



41 



500-0 







July 2 11 







116-77 











287 





42 



11903 







42 



500 





2 



11912 



2 



423-4 



3 



267 





44 



12112 



44 



500-9 



45 



489 





4 



123-33 



5 



422-6 









46 



124-48. 



47 



4788 









6 



128-17 







6 



244 





48 



121-38 







48 



520 





8 



130-05 



8 



413-5 



9 



265 





50 



114-55 



50 



487-1 



51 



529 





10 



129-85 



11 



417-2 









52 



11400 



53 



491-4 









12 



128-23 







12 



274 





54 



11078 







54 



516 





14 



128-77 



14 



432-4 



15 



294 





56 



109-65 



56 



495-8 



57 



497 





16 



127-57 



17 



458-8 









58 



110-78 



59 



503-4 









18 



127-50 







18 



307 



July 2 13 







109-85 











488 





20 

 22 



129-23 

 129-23 



20 

 23 



463-6 

 458-2 



21 



313 





2 



109-92 

































24 



130-72 







24 



321 



July 3 19 











58 



523 





26 



132-53 



26 



405-8 



27 



303 



July 3 20 



1 



132-20 



2 



443-6 









28 



128-70 



29 



390-7 









6 



136-82 



7 



443-4 



8 



551 





30 



126-22 







30 



292 











(441-7) 









32 



121-58 



32 



390-9 



33 



315 





9 



140-98 



10 



439-6 



11 



564 





34 



118-70 



35 



406-8 









12 



133-27 



13 



435-9 



14 



560 





36 



122-60 







36 



301 











(434-7) 









38 



131-32 



38 



410-2 



39 



220 





15 



136-42 



16 



435-0 



17 



558 





40 



138-43 



41 



3921 















(434-0) 









42 



139-58 







42 



156 





18 



136-15 



19 



430-3 



20 



560 





44 



142-92 



44 



355-2 



45 



109 











(428-9) 









46 



147-83 



47 



288-7 









21 



136-95 



22 



422-9 



23 



538 





48 



150-28 







48 



74 





24 



139-58 



25 



422-9 



26 



533 





50 



139-98 



50 



293-3 



51 



177 











(426-0) 







r 



52 



113-33 



53 



396-5 









27 



135-62 



28 ' 430-6 



29 



524 





54 



108-23 







54 



119 











(432-8) 









56 



118-43 



56 



442-2 



57 



128 





30 



137-15 



31 



417-8 



32 



521 





58 



116-77 



59 



486-3 















(416-8) 







July 2 12 







115-82 











165 





33 



138-03 



34 



420-3 



35 



532 





2 



126-82 



2 



513-6 



3 



194 



% 



36 



141-60 



37 



430-8 



38 



548 





4 



134-75 



5 



502-5 















(428-1) 









6 



140-12 







6 



264 





39 



139-32 



40 



422-7 



41 



565 





8 



13313 



8 



481-0 



9 



369 











(420-4) 









10 



124-48 



11 



486-2 









42 



136-48 



43 



414-3 



44 



561 





12 



118-83 







12 



386 











(415-5) 









14 



120-52 



14 



482-2 



15 



392 





45 



138-10 



46 



424-5 



47 



551 





16 



116-77 



17 



515-7 















(425-5) 









18 



113-80 







18 



426 





48 



136-75 



49 



424-1 



50 



538 





20 



108-78 



20 



530-3 



21 



472 











(425-9) 









22 



106-63 



23 



553-9 









51 



134-60 



52 



4160 



53 



541 





24 



110-52 







21 



463 











(413-5) 









26 



115-62 



26 



537-9 



27 



488 





54 



136-48 



55 



417-2 



56 



552 





28 



112-53 



29 



527-1 















(410-6) 







Bifilar Thermometer. July 2* ll'', 60°-l ; \1^, 59°-7 ; ISh, 59°-2 ; 3d SOi-, 56''-4. 



Balance Thermometer. July 2* ll^, 63"-3 ; 12i', 62°-2 ; 131^, 61°-1 ; 3<i 201', 56°-4. 



Arcs of Vibration. Declination Magnet. .July 2<i IQi- 48™, 7'; 10'' 50™, 8'; ll^ 50™, 10'; 11'' 52'", 8'; S-i 20i' 12™, 8'; 20'' 48™, 9'; 

 20>' 54™, 13'. Bifilar Magnet. July 2>i 111" 23™, lO*'' ; \V^ 41™ (21'iiv down) ; 11'' 43™ (42-"' up) ; lli^ 59™, 10<»' ; 121' 11™, 12>i" ; 

 3d aoh 25™,!/*'" ; 20'' 28™, 22<i!'' ; '1^"^ 31™, lO^i" ; 201" 34™, 15<i'' ; 20'' 43™, 24<iiv ; i^S^ 52™, 16<iiv ; 20'' 55™, SS^i' (noted). 



July 2^ 12'' 23™. Reading of JJifilar estimated, Scale going out of field. 



July 3<i 20'' 0™. The following are the readings of the Declination 18' before and 18^ after the minute, the reading at the minute 

 having been lost, igi- 59™ 42», 116'-8 ; 20'' 0™ 18», 127'-6. 



See note, page 51, on the observations in brackets. 



