60 



Prof. G. Wiedemann's Magnetic Researches. 



6. Soft-iron wire 2 millim. thick, permanently magnetized 

 transversely. 



m p . 



m p . 



t 



1. 



2. 



n. 



t. 



1. 



2. 



n. 



o 







30 



60 



90 



120 



150 



180 



210 



1 



100-5 

 101 



96 5 



95 



941 



938 



93 



-5-2 

 -5 

 



34 



523 



54-5 



53 



52-5 



8-5 



9 



10-2 

 18 

 29-8 

 31-8 

 31-5 

 31 



180 



150 



120 



90 



60 



30 







94 



88-2 



403 



7-2 



-1-5 



-4-6 



-5-2 



52-6 

 49-5 

 29 

 11-2 



4 



1-5 







30-8 



28-8 



20 



14-6 



11 

 9-5 

 8*2 



7. Soft-nickel wire 2 millim. thick, temporarily magnetized 

 transversely. 



mt. 



mt. 



t. 



1. 



2. 



n. 



t. \ 1. 



2. 



n. 



-75 



-19 



+54 



+ 75-6 



+83 



+86 



+86 



o 







30 



60 



90 



120 



150 



180 



210 





 -76 



-84-2 



-85-2 



-85 



-85 



-85 



-84-6 



+86-3 

 +70 

 -29-8 

 -76-5 



-85-2 

 -87 

 -87 

 -82-2 



+ 86-1 

 + 73-5 

 - 6 

 -68 



-84 

 -87-8 

 -888 

 -87-8 



o 



180 



150 



120 



90 



60 



30 







-698 

 - 65 



+50 



+72 



+80-8 



+84-6 



+86-3 



-72 



- 9 



+52 



+73 



+81-6 



+85 



+86-2 



8. Soft-nickel wire 2 millim. thick, permanently magnetized 

 transversely. 



nip. 



m p . 



t. 



1. 



2. 



71. 



t. 



1. 



2. 



71. 



o 







30 



60 



90 



120 



150 



180 



210 



+ o 



-20 



-24 

 -22-8 

 — 22-5 



-22-5 

 -22 



-22 



+6 

 +5-5 

 + 1-5 























+0-6 



+06 



+0-6 



+1 



+3 



+3-2 



+ 3-5 



+3-2 



\ o 



180 



150 



120 



90 



60 



30 







-17-5 

 - 4-5 

 + 3 

 + 4-5 

 + 5-2 

 + 6 

 + 6 



+ 1 



+3 



+4 



+3-2 



+3 



+3-2 



+3-2 



+3 

 +3 

 +2-5 

 + 1-5 

 + 1 

 + 1 

 +0 6 



The magnetism of the nickel wire had diminished so much 

 after repeated torsion that measurements with it could not be 

 made use of. 



