﻿by 
  Collision 
  of 
  Positive 
  and 
  Negative 
  Ions 
  in 
  a 
  Gas. 
  283 
  

  

  The 
  relation 
  between 
  ot/p, 
  /3/p, 
  and 
  X/p 
  is 
  shown 
  in 
  the 
  

   accompanying 
  figures, 
  and 
  it 
  is 
  evident 
  that 
  the 
  points 
  as 
  

   determined 
  experimentally 
  all 
  lie 
  on 
  one 
  curve. 
  

  

  Fig. 
  1. 
  — 
  Argon. 
  

  

  

  

  

  

  

  

  J. 
  

  

  

  

  

  

  '^t^^ 
  

  

  ^ 
  — 
  "fy 
  

  

  

  

  

  J 
  

  

  

  .'^ 
  

  

  

  ex. 
  

  

  

  i 
  y 
  

  

  \f 
  

  

  }'"' 
  

  

  

  

  P 
  

  

  

  ^ 
  

  

  • 
  

  

  

  

  

  

  

  { 
  $' 
  

  

  s 
  

  

  

  

  

  

  /j\ 
  

  

  / 
  

  

  

  

  

  

  

  y 
  / 
  

  

  

  

  

  

  

  

  4 
  / 
  

  

  

  

  

  

  

  10 
  / 
  

  

  / 
  

  

  

  X 
  

  

  

  

  1 
  

  

  100 
  200 
  300 
  400 
  

  

  Fig. 
  2. 
  — 
  Argon. 
  

  

  SCO 
  

  

  300 
  

  

  400 
  

  

  500 
  

  

  LOO 
  

  

  

  

  

  

  

  

  '/ 
  

  

  

  

  

  

  

  > 
  

  

  4 
  

  

  

  

  

  - 
  

  

  

  A 
  

  

  / 
  ' 
  

  

  

  p 
  

  

  

  

  

  j7 
  

  

  

  / 
  

  

  

  

  2 
  

  

  1 
  yS 
  

  

  »>' 
  

  

  

  

  

  

  

  • 
  

  

  

  

  _J 
  

  

  ^"-T.-.-- 
  

  

  .-—'"' 
  

  

  

  X 
  

  

  

  600 
  

  

  U 
  2 
  

  

  