Daily Observations op Magnetometees, July 11 — August 17. 1841, 



Gbttingen 







BiFILAR. 



Balance. | 



Gbttingen 





j 

 BiFILAR. 1 



Balance. | 



HT rr* ^ 1 



Declina- 

 tion. 











Mean Time of 

 Declination 



T^P'PT T"W A- 











Mean lime or 

 Declination 





Cor- 



Thermo- 



Cor- 



Thermo- 



1-f KjKjiaL!^ A" 



TION. 



Cor- 



Thermo- 



Cor- 



Thermo- 



Observation. 







rected. 



meter. 



rected. 



meter. 



Observation. 





rected. 



meter. 



rected. 



meter. 





d. h. 



m. 



/ 



Sc. Div. 







Mic. Div. 







d. h. m. 



, 



Sc. DiT. 







JDc. Div. 



. 



July 



U 20 







123-82 



469-3 



52-5 



7560 



52-5 



Aug. 4 20 



129-58 



517-3 



57-1 



766-0 



57-6 





23 







129-67 



458-9 



53-6 



741-0 



53-7 



23 



136-63 



504-3 



57-4 



757-7 



*57-5 



July 



12 2 







131-17 



483-8 



55-7 



758-9 



55-5 



Aug. 5 2 



142-91 



522-4 



58-8 



748-6 



58-2 





5 







127-48 



508-5 



61-0 



744-3 



59-1 



5 



138-93 



541-8 



60-9 



774-1 



60-1 





20 







121-80 



466-7 



54-1 



772-3 



54-6 



20 



138-40 



510-9 



59-2 



695-6 



59-0 





23 







128-37 



465-6 



56-4 



737-8 



56-6 



23 



138-40 



513-1 



60-0 



697-9 



59-7 



July 



13 2 







135-73 



488-7 



57-3 



758-9 



57-2 



Aug. 6 2 



138-82 



515-9 



61-9 



802-4 



61-6 





5 







133-15 



495-1 



58-6 



788-0 



58-3 



5 



145-35 



567-7 



61-4 



809-0 



61-0 





20 







123-48 



478-5 



54-3 



763-8 



55-4 



20 



132-62 



518-8 



56-6 



743-1 



56-7 





23 







12805 



472-7 



57-4 



750-7 



57-2 



23 



139-73 



513-3 



59-6 



721-3 



58-7 



July 



14 2 







133-42 



480-7 



60-1 



760-0 



59-3 



Aug. 7 2 



141-70 



531-8 



61-6 



708-4 



60-2 





5 







129-69 



495-0 



61-5 



753-8 



60-7 



5 



135-05 



532-4 



631 



779-1 



62-2 





20 







12218 



464-0 



55-5 



702-6 



55-8 



Aug. 8 20 



127-23 



522-8 



56-9 



754-1 



57-2 





23 







129-75 



462-2 



56-5 



728-0 



56-5 



23 



1-34-15 



521-4 



59-3 



750-0 



59-1 



July 



15 2 







141-29 



483-9 



59-0 



754-8 



58-6 



Avig. 9 2 



141-73 



526-5 



61-4 



720-3 



60-7 





5 







135-50 



499-8 



61-6 



777-4 



60-4 



5 



135-57 



537-8 



63-6 



718-6 



62-6 





20 





 



124-55 

 130-58 



474-6 

 468-4 



54-7 

 55-4 



759-8 



54-7 



20 















£i\J 



23 



23 



135-82 



519-5 



571 



749-7 



56-9 



July 



16 2 







135-77 



483-1 



58-5 



767-6 



58-6 



Aug. 10 2 



140-85 



530-1 



58-9 



736-7 



58-7 





5 







133-95 



497-9 



63-8 



804-0 



62-2 



5 



135-15 



543-2 



60-7 



737-9 



59-7 





20 







128-96 



474-6 



54-8 



770-1 



55-6 



20 



128-87 



522-5 



51-9 



777-9 



52-3 





23 







133-57 



479-7 



57-6 



778-7 



57-7 



23 



135-10 



522-6 



54-3 



762-3 



54-1 



July 



17 2 







136-75 



492-7 



61-6 



796-4 



61-0 



Aug. 11 2 



139-15 



534-2 



56-5 



734-5 



56-2 





5 







133-31 



494-1 



64-3 



836-1 



63-3 



5 



135-79 



539-5 



57-6 



748-6 



56-8 



July 



18 20 

 23 





 













20 



126-81 

 134-77 



'i2.'i-3 



51-6 



659-9 

 729-7 



52-1 



132-98 



482-6 



62-2 



780-2 



61-7 



23 



528-9 



54-3 



tj£t J. 



53-8 



July 



19 2 







140-47 



494-3 



67-6 



806-5 



65-4 



Aug. 12 2 



139-49 



531-5 



57-5 



722-5 



56-6 





5 







137-47 



520-6 



69-5 



807-6 



67-8 



5 



138-35 



553-8 



58-9 



720-8 



57-7 





20 







135-82 



477-1 



58-4 



661-5 



59-2 



20 



128-92 



525-7 



50-2 



757-5 



50-6 





23 







135-99 



444-0 



60-9 



728-1 



6M 



23 



134-82 



530-5 



54-4 



729-0 



53-8 



July 



20 2 







13311 



493-6 



63-8 



793-4 



63-2 



Aug. 13 2 



13912 



537-8 



58-5 



715-5 



57-0 





5 







135-77 



498-2 



64-7 



799-2 



63-9 



5 



134-88 



543-2 



58-6 



732-2 



57-5 





20 







123-77 



472-3 



58-4 



738-6 



58-3 



20 



128-10 



536-3 



55-6 



746-7 



55-7 





23 







129-29 



460-3 



59-3 



742-3 



59-2 



23 



134-37 



530-7 



56-4 



728-7 



56-2 



July 



21 2 







136-94 



497-1 



62-0 



749-0 



61-9 



Aug. 14 2 



141-09 



539-7 



57-2 



718-2 



56-7 





5 







133-25 



519-2 



62-9 



798-0 



62-8 



5 



137-20 



547-2 



58-1 



728-5 



57-3 





20 







129-13 



471-3 



59-3 



720-1 



59-7 



Aug. 15 20 



129-27 



526-1 



55-7 



700-2 



56-2 





23 







129-47 



466-5 



58-6 



734-1 



59-2 



23 



138-52 



524-8 



58-2 



729-6 



58-0 



July 



22 2 







133-47 



475-8 



58-9 



747-9 



59-6 



Aug. 16 2 



144-43 



544-7 



63-8 



667-6 



62-5 





5 







131-33 



487-4 



59-9 



759-2 



60-2 



5 



134-90 



543-5 



68-1 



725-6 



66-1 





20 

















20 



136-58 



523-9 



60-6 



712-7 

 707-5 



60-7 





23 







129-42 



468-4 



55-7 



725-4 



55-8 



23 



142-97 



524-9 



62-2 



62-1 



July 



23 2 







134-62 



482-9 



56-5 



729-8 



56-4 



Aug. 17 2 



141-68 



547-1 



64-9 



716-0 



64-0 





5 







132-40 



488-0 



58-1 



765-7 



58-3 



5 



135-08 



550-8 



65-7 



739-5 



65-1 









BiFILAE. July ] 



lid— July 23'! 



A-=0-0001185 ?=0-000304= 



=2-57 Scale divisions. 













Aug. 



4<i— Sept. 7-1 Sh 



i=0-0001522 g=0-000304= 



-2"00 Scale divisions. 













Balance. July 1 



Id— July 23d 



A-=0-0000127 g=0-000073= 



:5-74 Micrometer div 



isions. 











Aug. 



4d— Aug. 28 d 



;i;=0-0000143 j=0-000073= 



-5-10 Micrometer div 



isions. 





July 161 231". 



The Balance readin 



g considerably chi 



mged, caused by a spider's tl 



iread which was foun 



d attached to the 



magnet. 



Spide " " 



r s thread rei 



moved. The differen 



ce of the readings 



between the two Micrometer 



5 of the Balance has ir 



creased about 6 JV 



ic. Div. 





July SOd. 



A 



fibre of the suspensic 



)n thread of the D 



eclinometer found broken ; r 



emoved carefully. 









July 22d S". 



The object lens of t 



le right hand Mic 



rometer of the Balance founc 



loose ; when screwe 



d tight the differe 



nee be- 



tween the reading 



s of the tv7o Microme 



ters reverted to its 



value previously to July 15 



i. 









luly 231- 



-Ai 



ig 4'!. A carefully p 



repared thread pi 



aced in the Declinometer, fr 



om which the torsion 



was completely r 



emoved 



after 



hanging 



a f e 



w days with the bras 



3 bar attached. T 



he Bifilar and Balance Magn 



etometers readjusted, 



the magnets beinj 



; placed 



with their poles in 



directions opposite t( 



) that which they 



sreviously occupied. See In 



froduction. 







