6 Paily Observations of Magnetometers, November 14. 1841 — January 17. 1842. 



Obttingen 



1 





BiFILAE. 



Balance. 



Gbttingen 







BiFILAR. 



Balance. | 



TVyT m' rt-T 1 



T)j?ffJ TTV A _ 











Mean Time o1 

 Declination 





Declina- 

 tion. 











iviean i ime o 

 Declination 





TION. 



Cor- 



Thermo- 



Cor- 



Thermo- 





Cor- 



Thermo- 



Cor- 



Thermo- 



Observation. 







rected. 



meter. 



rected. 



meter. 



Observation. 







rected. 



meter. 



rected. 



meter. 



d. 



h. 



m. 



, 



So. Div. 



o 



Mie. Div. 



o 



d. h. 



m. 



> 



Sc. Div. 



o 



Mic, Div. 



o 



Nov. 14 



20 







132-64 



500-2 



31-9 



651-0 



32-1 



Nov. 22 20 







130-22 



507-4 



36-8 



632-1 



37-0 





23 







131-24 



500-2 



32-6 



656-9 



32-5 



23 







126-23 



499-3 



38-1 



638-5 



37-7 



Nov. 15 



2 







132-30 



505-6 



35-6 



663-7 



34-6 



Nov. 23 2 







131-20 



496-7 



39-7 



650-0 



39-1 





5 







130-15 



506-9 



35-8 



660-2 



35-0 



5 







127-57 



503-0 



40-5 



662-0 



40-0 





20 







129-36 



498-5 



30-3 



656-8 



30-6 



20 







127-48 



505-2 



38-2 



635-1 



38-3 





23 







129-67 



504-5 



33-5 



660-7 



32-6 



23 







129-18 



503-6 



40-7 



636-7 



39-8 



Nov. 16 



2 







130-90 



513-4 



42-4 



637-2 



39-9 



Nov. 24 2 







132-10 



498-6 



44-7 



652-2 



43-7 





5 







129-07 



513-6 



43-4 



633-1 



41-5 



5 







129-00 



505-1 



44-5 



650-0 



43-5 





20 







128-38 



502-8 



30-8 



643-6 



31-1 



20 







125-58 



505-2 



36-8 



627-1 



37-2 





23 







131-67 



500-6 



31-4 



641-8 



31-2 



23 







128-15 



503-6 



36-8 



617-0 



36-7 



Nov. 17 



2 







134-59 



507-0 



41-0 



646-9 



38-7 



Nov. 25 2 







130-10 



517-1 



45-4 



615-2 



43-3 





5 







132-33 



514-4 



46-2 



634-6 



44-0 



5 







127-68 



515-0 



48-5 



611-0 



46-8 





20 







12907 



493-1 



27-9 



650-3 



28-5 



20 







126-92 



499-9 



350 



639-9 



35-7 





23 







132-22 



498-1 



27-8 



647-9 



27-9 



23 







128-05 



502-1 



35-5 



638-8 



35-5 



Nov. 18 



2 







133-00 



520-6 



36-3 



646-2 



34-6 



Nov. 26 2 







132-05 



514-9 



42-5 



632-1 



41-0 





5 







132-84 



518-7 



37-3 



655-8 



35-7 



5 







128-63 



517-7 



48-6 



626-9 



45-1 





20 







148-57 



440-7 



31-9 



580-8 



32-1 



20 







129-10 



510-5 



46-6 



634-2 



47-2 





23 







139-16 



499-3 



34-1 



706-8 



33-1 



23 







130-83 



507-7 



46-6 



610-3 



46-3 



Nov. 19 



2 

 5 





 













Nov. 27 2 

 5 



n 



131-90 



51 2-3 



49-8 

 50-4 



606-0 

 625-2 



48-8 

 49-1 



134-12 



509-6 



44-2 



727-1 



42-0 







131-82 



511-8 





20 







132-11 



491-2 



32-7 



607-8 



33-3 



Nov. 28 20 







129-03 



505-7 



39-8 



633-2 



40-2 





23 







135-28 



468-1 



32-9 



704-6 



32-9 



23 







129-49 



505-1 



41-2 



624-7 



40-8 



Nov. 20 



2 







136-40 



502-8 



36-9 



752-5 



36-0 



Nov. 29 2 







132.30 



516-1 



48-0 



613-6 



46-4 





5 







129-00 



508-6 



39-7 



725-0 



38-3 



5 







129-98 



516-7 



50-6 



612-2 



49-1 



Nov. 21 



20 







126-78 



503-9 



35-3 



659-4 



35-5 



20 







129-63 



511-8 



45-3 



604-5 



45-3 





23 

 2 





 



129-95 

 131-47 



494-8 

 507-1 



36-4 



38-7 



658-0 

 650-4 



36-0 

 38-0 



23 



Nov. 30 2 





 













Nov. 22 



128-80 



516-2 



49-1 



6090 



47-7 





5 







129-30 



503-2 



40-7 



678-5 



39-5 



5 







127-83 



516-0 



49-9 



606-7 



48-8 



1842. 



.Tan. 12 



20 







127-32 



510-5 



40-0 



922-1 



41-5 



Jan. 14 20 







127-78 



516-7 



40-1 



944-3 



41-0 





23 







130-40 



507-4 



39-2 



9500 



40-5 



23 







128-83 



517-5 



43-0 



943-0 



44-0 



Jan. 13 



2 







130-27 



519-4 



44-6 



935-4 



45-9 



Jan. 15 2 







132-15 



526-9 



48-1 



910-3 



48-9 





5 







130-52 



518-9 



46-0 



941-2 



47-6 



5 







130-13 



522-2 



47-7 



924-3 



48-5 





20 







127-77 



509-0 



35-1 



952-5 



35-6 



Jan. 16 20 







128-25 



513-4 



34-5 



964-0 



34-3 





23 







130-09 



510-7 



35-6 



967-2 



36-0 



23 







129-40 



508-0 



37-3 



98M 



37-1 



Jan. 14 



2 







130-58 



525-5 



44-6 



939-8 



44-6 



Jan. 17 2 







131-95 



521-8 



45-2 



937-5 



44-6 





5 







128-98 



5230 



45-6 



938-9 



45-8 



5 







129-72 



521-9 



48-6 



927-9 



47-9 











BlFILAR. ^ = C 



)-0001248 3=0-000304= 



2-44 



Scale divisions. 











1 



tALANCE. Oct. 61 



—Nov. 301 k—i 



)-0000118 2=0-000073= 



6-20 



Micrometer division 



s. 











Jan. 121 



— ^an. 221 ^-q 



■0000127 2=0-000073= 



5.75 



Micrometer division 



s. 





Dec. 



41. 



The 



declination magnet 



found to have unt 



wisted the suspension roller. 



to have sunli down 



and rested on the 



copper 



ring, which had se 



vered some of the fibi 



es of the suspensi 



3n thread. Thread removed, 



and a new one prepa 



red. 





Dec. 



61. 



Fib 



res of the new thread 



found unequally 



stretched. 











Dec. 



81. 



As 



atisfactory thread obi 



ained, which was 



[ittached to the suspension ro' 



ler, and the torsion r 



emoved. 





Dec. 



201. 



Or 



Mr Russell's return 



from Edinburgh h 



e found the thread so much st 



retched as to bring t 



he stirrup in conta 



ct with 



the coppe 



r rin 



?; i 



t was therefore woun 



d up a little, and 1 



.he torsion removed, preparat 



ory to the term-day c 



)bservations. 





Dec. 



231 QU. 



(Term day.) Declin 



ation magnet agai 



n found in contact with the c 



opper ring, from the 



stretching of the 



thread. 



Magnet wound 



up. 

















Dec. 



284. 



Th 



le short scale removec 



. from the declinal 



tion magnet, and a long one a 



ttached. (Torsion re 



moved ?) 





Jan. 



l^et 



seq. 



Observations made 



to determine the t 



emperature correction for the 



Balance magnet. Ii 



astrument readjust 



ed. 



