﻿250 
  Dr. 
  J. 
  C. 
  Beattie 
  on 
  the 
  Electric 
  Resistance 
  

  

  External 
  Field. 
  

  

  1 
  

  

  2 
  

  

  a 
  

  

  4 
  

  

  [ 
  c 
  

  

  e 
  

  

  't 
  

  

  i 
  

  

  i 
  

  

  10 
  11 
  12 
  13 
  14 
  IS 
  16000 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  1 
  

  

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  \ 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  \ 
  

  

  V 
  

  

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  IV 
  

  

  TIME 
  

  

  XXVIL 
  

  

  USED 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  gND 
  J 
  

  

  XVII 
  

  

  !ME 
  U 
  

  

  SEO 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  |S. 
  T 
  T 
  

  

  INIE 
  I 
  

  

  ISED 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  XXVII 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  ONO 
  

  

  TIME 
  

  

  USED 
  

  

  5000 
  

  

  

  