﻿248 
  Dr. 
  J. 
  C. 
  Beattie 
  on 
  the 
  Electric 
  Resistance 
  

  

  Variation 
  of 
  Resistance 
  in 
  Cobalt. 
  

  

  1000 
  2000 
  3 
  4 
  5 
  6 
  7 
  8 
  

  

  External 
  Field. 
  

   9 
  10 
  11 
  12 
  13 
  14 
  15 
  16000 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  ^•1 
  

  

  

  

  -m 
  

  

  

  

  

  

  

  

  

  ^ 
  

  

  

  

  

  

  

  

  

  

  -mi 
  

  

  

  

  

  

  

  

  

  \ 
  

  

  \ 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  N 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  XXIII 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  XXVT 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  5000 
  

  

  Iv 
  1 
  — 
  JX 
  

  

  