







Extra Observations of 



Magnetometers, November 16, 1844. 







15] 





BlFILAR 



Balance 



Gbtt. 







Bifilar 



Balance 



Gbtt, 







Bifilar 



Balance 





Corrected. 



Corrected. 



Mean 

 Time. 



Declination. 



Corrected. 



Corrected. 



Mean 

 Time. 



De 



3LINATION. 



Corrected. 



Corrected. 





Min. 



Sc. Div. 



Min. 



Stic. Div. 



d. h. 



Mill. 







Min. 



Sc. Div. 



Min. 



Mic. Div. 



d. h. 



Min. 



o 



Min. 



Sc. Div. 



Min. 



Mic. Div. 





14 



500-4 







16 8 







19 



551-2 



19 



872-6 



16 9 







37 



507-4 



37 



572-4 





15 



498-9 



15 



664-6 









20 



549-5 



20 



870-0 





38 



25 0404 



38 



508-6 









16 



495-1 

















21 



865-7 









39 



510-1 



39 



571-9 





17 



4970 



17 



706-1 





22 



25 06-39 



22 



552-0 



22 



866-3 





40 



01-95 



40 



512-3 









18 



497-1 













23 



553-5 



23 



865-1 









41 



514-1 



41 



566-9 





19 



500-3 



19 



739-6 









24 



552-3 



24 



863-4 





42 



25 00-57 



42 



514-6 









20 



503-6 









26 



06-16 



27 



543-7 



28 



843-0 









43 



515-6 



43 



565-5 





21 



503-7 



21 



774-2» 





30 



07-94 



32 



539-3 



33 



819-5 





44 



24 59-32 



45 



517-3 



45 



564-9 





22 



500-4 









35 



12-85 



37 



541-3 



38 



834-6 





47 



57-24 



47 



515-5 



48 



556-9 





23 



497-7 



23 



779-7 





40 



25 10-56 



42 



530-2 



43 



796-2 





49 



57-22 







49 



554-8 





24 



497-4 









45 



24 59-93 







45 



784-4 





50 



57-34 



50 



5180 



50 



551-6 





25 



497-7 



25 



762-7 









46 



535-9 



46 



783-0 





52 



56-65 



52 



519-9 



52 



549-8 





26 



496-6 









47 



25 02-28 



47 



535-3 



47 



779-4 





55 



57-31 



55 



522-1 



55 



540-3 





27 



496-6 



27 



746-2 





48 



24 58-15 



48 



545-2 



48 



783-8 













56 



519-8 





28 



498-1 



29 



737-5 









49 



559-8 



49 



790-0 





57 



24 59-66 



57 



521-4 



57 



515-7 





30 



506-2 









50 



46-75 



50 



576-4 



50 



786-0 









58 



520-3 



58 



508-3 









| 31 



727-5 





51 



38-55 



51 



579-2 



51 



746-5 



16 10 







25 00-53 







517-3 







510-0 





32 



508-9 



! 33 



716-4 





52 



51-93 



52 



557-3 



52 



683-0 





2 



01-07 



2 



510-3 



2 



505-6 





34 



521-2 



34 



716-9 





53 



55-68 



53 



533-0 



53 



663-4 









3 



507-2 









36 



527-2 



36 



724-3 





54 



55-22 



54 



525-5 



54 



667-3 





4 



04-48 



4 



505-0 









38 



520-9 



38 



710-3 





55 



50-16 



55 



527-6 



55 



663-7 





5 



04-37 



5 



500-5 



5 



505-2 





39 



5140 



39 



700-2 





56 



50-92 



56 



524-8 



56 



663-2 









6 



496-9 



6 



5170 





40 



502-5 



40 



697-0 





57 



44-76 



57 



522-5 



57 



660-4 









7 



495-4 









41 



494-9 



41 



712-1 





58 



42-61 



58 



524-3 



58 



654-7 









8 



492-2 









42 



492-5 



42 



744-3 





59 



41-00 



59 



525-4 



59 



642-6 









9 



490-9 









43 



491-2 



j 43 



777-4 



16 9 







40-91 







529-7 







631-3 





10 



04-17 



10 



486-3 



10 



518-7 





44 



496-5 



44 



795-9 









1 



531-4 



1 



616-8 









11 



485-0 



11 



520-1 





45 



5020 



' 45 



805-0 





2 



44-44 



2 



535-1 



2 



605-8 





12 



05-89 



12 



481-9 



12 



518-3 





46 



508-0 



46 



834-7 





3 



46-31 



3 



535-8 



3 



599-4 









13 



480-3 









47 



510-6 



47 



849-5 









4 



534-7 



4 



599-2 





14 



06-86 



14 



476-8 



14 



513-8 









48 



857-2 





5 



45-87 



5 



538-6 



5 



601-6 









15 



474-6 



15 



513-8 





49 



5180 



49 



863-1 









6 



547-4 



6 



607-3 





16 



09-35 



16 



470-8 













50 



860-6 





7 



46-21 



7 



551-4 



7 



605-2 









17 



469-9 



17 



512-8 





51 



527-6 



51 



859-5 





8 



50-92 



8 



551-3 



8 



602- 1 









18 



467-7 









52 



532-6 



52 



861-1 









9 



548-6 



9 



602-9 









19 



471-1 









53 



534-6 



53 



864-6 





10 



48-47 



10 



547-8 









20 



14-73 



20 



474-0 









54 



538-3 



54 



867-0 









11 



546-7 













21 



477-7 



21 



496-7 





55 



543-6 



55 



867-3 





12 



57-04 



12 



543-3 



12 



597-3 





22 



18-94 



22 



478-6 









56 



543-9 



56 



861-7 









13 



540-1 













23 



472-6 



23 



470-3 





57 



539-4 



57 



849-8 





14 



24 59-06 



14 



535-7 









24 



23-21 



24 



465-7 



24 



453-8 





58 



530-4 



58 



837-7 





16 



25 03-54 



15 



530-8 



16 



589-6 









25 



457-9 



25 



434-8 





59 



528-3 



59 



825-4 









17 



521-7 



17 



587-9 





26 



26-30 



26 



451-9 



26 



417-3 









532-4 







813-5 









18 



519-9 



18 



584-3 









27 



451-3 



27 



400-9 





1 



534-8 



1 



798-9 









19 



517-2 



19 



585-3 





28 



29-06 



28 



449-6 



28 



388-3 





2 



531-9 



2 



786-7 









20 



514-6 



20 



601-9 





29 



29-76 



29 



446-7 



29 



380-9 





3 



5300 



3 



774-2 





21 



06-59 



21 



510-3 



21 



598-1 









30 



441-9 



30 



371-6 









4 



769-8 









22 



509-7 



22 



593-8 









31 



437-6 



31 



363-2 





5 



527-8 



5 



769-8 





23£ 



00-47 



23 



510-9 



23 



591-4 



^ 



32 



27-51 



32 



436-5 



32 



353-3 









6 



778-4 









24 



512-8 



24 



587-3 









33 



434-0 



33 



347-8 





7 



527-8 



7 



784-1 





25 



00-60 



25 



517-3 









34 



24-08 



34 



432-5 



34 



339-9 





, 8 



527-7 



8 



789-7 





26 



01-41 

















35 



427-2 



35 



335-2 









9 



796-0 





27 



02-50 



27 



526-1 









36 



24-82 



36 



432-0 



36 



328-8 





jio 



528-1 



10 



802-5 





28 



0404 



28 



527-4 



28 



583-8 









37 



433-2 



37 



325-8 





11 



536-1 



11 



813-0 









29 



527-2 



29 



578-0 





38 



27-61 



38 



432-3 



38 



321-0 





12 



540-8 



12 



826-1 





30 



06-63 







30 



574-3 









39 



425-1 



39 



318) 





13 



544-8 



13 



836-0 









31 



521-3 



31 



572-4 





40 



28-20 



40 



430-1 



40 



3181 





14 



552-3 



14 



848-1 





32 



10-33 



32 



516-1 



32 



570-5 









41 



433-1 









15 



555-3 



15 



860-2 









33 



509-4 



33 



570-5 





42 



27-24 



42 



428-6 









16 



5540 



16 



866-1 









34 



506-3 



34 



5670 









43 



416-3 



43 



333-8 





17 



553-9 



17 



870-4 









35 



506-4 









44 



2509 



44 



419-7 



44 



338-8 





18 



553-2 



18 



872-5 





36 



06-76 



36 



507-0 













45 



421-7 



45 



342-3 





BlFILAIt. k 



=0-000140. Balance. fc=C 



•0000085. 





Nov. 16<> 8 h 50" + The bifilar reading a 



ttained a maximum at 50 m 30 s , it then diminished till 54 m 



40 s , when it attained a minimum. 





Nov. 16 d 10 h 43™. The reading of the 



bifilar was least at 43 m 25 s . At 58'" 30 s the bifilar readin 



g, which had been steadily increasing. 





dim 



* 



unshed f 



or abo 



it l m , an 



d then inc 



reased 



























* See notes on the Aurora Borealis, after the Extra Observations of Magnetometer 



