14 



Daily Observations of Magnetometers, July 18 — August 12. 1842. 



Gottingen 



Declina- 

 tion. 



Bifilar. 



Balance. 



Gottingen 



Mean Time of 



Declination 





Declina- 

 tion. 



BiFILAK. 



Balance. J 



Mean lime o 

 Decimation 





Cor- 



Thermo- 



Cor- 



Thermo- 





Cor- 



Thermo- 



Cor- 



Thermo- 



Observation. 







rected. 



meter. 



rected. 



meter. 



Observation. 







rected. 



meter. 



rected. 



meter. 



d. 



h. 



m. 



' 



Sc. Div. 



o 



Mie. Div. 







d. h. 



m. 



' 



Sc. Div. 







Mic. Div. 



o 



July 18 



20 







125-88 



537-2 



59-5 



772-9 



59-5 



July 31 20 







124-27 



519-1 



60-9 



714-0 



61-3 





23 







12905 



534-0 



59-8 



792-2 



59-6 



23 







129-69 



519-9 



63-4 



789-6 



62-8 



July 19 



2 







134-75 



530-2 



61-3 



800-0 



60-5 



Aug. 1 2 







130-72 



555-0 



69-5 



798-1 



67-7 





5 







132-82 



544-4 



62-7 



808-4 



61-7 



5 







134-75 



564-6 



74-3 



772-2 



72-0 





20 







132-40 



523-2 



56-8 



794-7 



56-6 



20 







124-72 



527-5 



62-5 



784-0 



62-9 





23 







130-.30 



521-4 



57-1 



806-6 



56-8 



23 



30 



127-80 



531-7 



65-7 



758-1 



65-2 



July 20 



2 







132-27 



540-3 



58-5 



798-9 



57-9 



Aug. 2 2 







135-20 



541-5 



67-7 



756-3 



66-7 





5 







132-30 



547-3 



58-8 



816-3 



58-3 



5 







130-90 



543-8 



70-7 



7630 



69-2 





20 







120-93 



530-8 



59-1 



803-5 



59-2 



20 







126-00 



528-4 



58-8 



799-4 



59-4 





23 







125-22 



526-9 



60-6 



786-5 



60-1 



23 







127-98 



531-0 



61-8 



778-3 



61-3 



July 21 



2 







132-38 



538-9 



63-2 



794-1 



62-3 



Aug. 3 2 







133-38 



541-6 



68-0 



758-8 



66-5 





5 







130-52 



.543-8 



62-7 



798-5 



63-1 



5 







128-47 



545-5 



70-6 



761-2 



690 





20 







121-15 



527-3 



55-4 



822-0 



55-4 



20 







125-62 



530-0 



61-3 



788-2 



61-7 





23 







125-55 



527-4 



56-3 



819-9 



56-1 



23 







128-30 



518-5 



61-2 



7800 



61-5 



July 22 



2 







133-67 



548-1 



59-1 



794-8 



58-2 



Aug. 4 2 







132-65 



539-7 



63-5 



774-7 



62-9 





5 







132-84 



558-7 



62-5 



807-9 



60-7 



5 







129-49 



557-9 



65-6 



7730 



64-7 





20 







131-75 



521-0 



52-9 ■ 



779-3 



53-1 



20 







128-40 



531-3 



62-3 



729-3 



62-0 





23 







128-88 



524-7 



55-3 



800-7 



54-9 



23 







138-92 



517-3 



64-7 



766-7 



63-8 



July 23 



2 







136-45 



542-4 



62>6 



801-6 



60-6 



Aug. 5 2 







136-95 



548-4 



67-0 



760-2 



65-8 





5 







130-73 



571-7 



70-4 



825-9 



67-3 



5 







131-65 



548-0 



67-4 



793-0 



66-5 



July 24 



20 







123-05 



528-9 



62-3 



783-9 



62-4 



20 







131-78 



506-9 



56-9 



714-8 



57-3 





23 







128-87 



519-1 



63-9 



786-8 



63-3 



23 







125-82 



494-9 



58-8 



792-4 



58-6 



July 25 



2 







135-22 



538-3 



64-9 



782-5 



65-0 



Aug. 6 2 







134-82 



529-2 



62-6 



794-2 



61-6 





5 







130-83 



545-3 



68-2 



788-7 



66-8 



5 







124-07 



531-6 



65-6 



880-9 



64-1 





20 







122-87 



529-2 



60-4 



798-2 



60-4 



Aug. 7 20 







123-13 



532-1 



57-9 



774-6 



58-1 





23 







13009 



523-3 



63-1 



780-6 



62-3 



23 







129-08 



519-5 



59-8 



787-7 



59-3 



July 26 



2 







134-83 



544-1 



66-2 



761-0 



65-0 



Aug. 8 2 







132-51 



540-0 



64-0 



786-7 



62-7 





5 







130-83 



548-8 



68-1 



783-9 



66-6 



5 







129-49 



548-6 



65-4 



791-2 



64-1 





20 







121-38 



528-9 



60-4 



794-8 



60-5 



20 







124-59 



533-3 



62-8 



770-2 



62-7 





23 







128-54 



527-9 



62-9 



780-9 



62-3 



23 







126-98 



530-0 



64-9 



755-3 



64-1 



July 27 



2 







136-95 



542-9 



65-9 



773-5 



64-9 



Aug. 9 2 







133-05 



533-2 



67-9 



765-3 



66-7 





5 







132-91 



553-8 



67-4 



793-2 



66-3 



5 







130-18 



547-1 



69-9 



762-0 



68-5 





20 







123-00 



530-4 



58-6 



798-7 



59-1 



20 







124-62 



537-2 



63-8 



779-6 



63-8 





23 







127-23 



525-6 



59-5 



798-8 



59-5 



23 







127-47 



526-8 



66-8 



769-0 



66-2 



July 28 



2 







135-03 



544-8 



60-9 



776-1 



60-6 



Aug. 10 2 







132-55 



542-3 



72-1 



746-6 



70-6 





5 







131-90 



551-2 



63-8 



802-1 



62-7 



5 







128-97 



551-4 



73-2 



754-6 



71-9 





20 







122-70 



524-6 



56-9 



812-4 



57-1 



20 







123-82 



526-8 



63-9 



753-9 



64-2 





23 







126-80 



520-2 



57-7 



791-1 



57-6 



23 







126-32 



525-3 



62-8 



770-1 



63-3 



July 29 



2 







134-48 



555-1 



59-8 



753-3 



59-2 



Aug. 11 2 







132-80 



537-6 



64-6 



790-4 



64-5 





5 







134-07 



547-7 



61-5 



800-5 



60-7 



5 







129-92 



556-5 



65-5 



784-8 



65-2 





20 







123-87 



524-5 



54-5 



797-4 



54-9 



20 







123-07 



530-3 



60-7 



771-1 



60-7 





23 







127-87 



521-6 



57-4 



793-2 



56-7 



23 







137-12 



518-2 



62-8 



772-5 



62-2 



July 30 



2 







133-13 



540-5 



61-7 



770-2 



60-4 



Aug. 12 2 







134-20 



537-4 



65-6 



764-7 



64-5 





5 







132-31 



554-2 



64-4 



801-7 



63-0 



5 







129-82 



542-7 



66-9 



784-8 



65-9 









] 



Bifilar. /i=0-0( 



)01248 5=0-000304=2-44 S 



cale divisions. 













1 



Jalance. April IT"! 



—Oct. 8<i A:=0-0C 



>00130 5=0-000073=5-60 M 



icrometer divisions. 









Declinatio> 



r. Torsion removed 



Circle reading 



4°. July 191 201", 61°. 



(S 



ee note below.) Ju 



y 201 6' 



, 80°. J 



uly 221 



7^, 101°. 



July 2S 



d 21i>, 108°. July 2 



9<i ei, 118°. Aug 



. Id 211', 110°. Aug. 5d e^. 



124°. Aug. 81 21'', 



118°. 







July 



184 



20>>. 



A fibre of Declina 



tion suspension t 



iread found broken. Torsioi 



1 removed. ObservE 



ition at 2 



Q^ correc 



;ted for 



torsion bi 



' — •; 



}'-35 



















July 



19<i 



51- . 



A thread prepared c 



n May 26, and ha 



ving a brass weight suspende 



d by it since, was nc 



)w insert 



ed. This 



thread 



is composed of 20 



ibres, instead of 16, 



as formerly. The 



torsion was completely remo 



ved. Brass bar left 



in during 



the nigl 



it. 



July 



191 



20i>. 



Observation of Dec 



Lination 43™ too 1 



ite, delayed during the e 



imi 



nation of torsion. 









July 



20<i 



51-. 



The Bifilar reading 



is SS™ too late ; o 



mitted accidentally. 













July 



22i 



20h 



29<i Sh ; 31<i 20i> ; , 



\ug. •I'i. Extra o 



bservations. 













Aug. 



l<i 23''. 



Observation 30™ la1 



.e. 















