Prof. G. Wiedemann's Magnetic Researches. 



59 



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

 longitudinally by a current led round it. 



■out. 



mt. 



t. 



1. 



2, 



n. 



t. 



1. 



2. 



n. 



o 







30 



60 



90 



120 



150 



180 



210 



63-4 

 80-6 

 86-2 

 87-4 

 87-4 

 87-6 

 87-7 

 87*9 



88-4 

 80-4 

 76-6 

 83-6 



87-4 

 88-4 

 88-7 

 88-6 



89-4 

 83-2 

 77*4 

 83-0 

 87-2 

 89-4 

 897 

 89-7 



o 



180 



150 



120 



90 



60 



30 







79-6 

 74-4 



79-9 



83-6 

 86-4 - 

 87-4 

 88-4 



80-4 

 75-4 



81-2 

 84-4 

 87-0 

 88-4 

 88 6 



83-2 



77-2 

 82-2 

 86-2 

 88-4 

 89-2 

 89-3 



4. Soft-nickel ivire 2 millim. thick, permanently magnetized 

 longitudinally by a current passed round it. 



m p . 



m p . 



t. 



1. 



2. 



n. 



t. 



1. 



2. 



n. 



o 







30 



60 



90 



120 



150 



180 



210 



41 

 42 

 54 

 60 

 62 

 63 

 63 

 63 



-16 



-12-8 



- 3 3 



+11-2 



24-2 



34-4 



40-7 



434 



13 

 11-6 



73 

 - 3 

 -11 

 -14-8 



-18 

 -18-2 



180 



150 



120 



90 



60 



30 







54 



38 



18'2 

 4 

 - 5-3 

 -12 

 -16 



38-5 



27-5 



13 







- 9 



-15 



-19 



-17 

 -13 



- 56 

 + 2-8 

 +• 8 

 + 11-2 

 + 13 



5. Soft-iron wire, 2 millim. thick, temporarily magnetized 



o. oojt-iron wire, z minim. tniCK, temp 

 transversely by a current passed through it. 



mt. 



mt. 



t. 



1. 2. 



n. 



t. 



1. 



90 

 68 



- 20-2 



- 92 

 -114 

 -119-8 

 -121 



2. 



100 

 81 



- 2-2 



- 87 

 -113 

 -119-4 

 -120 



n. 



106-2 

 86-3 

 + 2 

 - 84-5 

 -112 

 -118-2 

 -118 



o 







30 



60 



90 



120 



150 



180 



210 





 48 

 83 

 89-6 

 90-8 

 90-5 

 90-5 

 905 



-121 

 -121 



- 88 

 + 36 

 886 

 100-3 

 101 

 99-5 



-118-8 

 -118-4 

 - 92 

 + 24 

 90-6 

 106 

 107-5 

 105-2 



o 



180 



150 



120 



90 



60 



30 







