﻿476 
  Mr. 
  L. 
  Vegard 
  on 
  the 
  Electric 
  Discharge 
  

  

  when 
  constant 
  conditions 
  are 
  reached 
  they 
  are 
  not 
  changed 
  

   by 
  introduction 
  o£ 
  a 
  new 
  portion 
  o£ 
  the 
  same 
  gas. 
  

  

  The 
  anode 
  fall 
  (A) 
  for 
  HOI 
  and 
  HBr, 
  found 
  mider 
  the 
  

   conditions 
  stated 
  above, 
  is 
  given 
  in 
  Table 
  VI. 
  for 
  a 
  series 
  of 
  

   different 
  currents 
  and 
  pressures. 
  

  

  Table 
  VI. 
  

  

  HCl. 
  

  

  HBr. 
  

  

  p=0-b. 
  

  

  ?9=0-8. 
  

  

  j/j 
  = 
  l-6. 
  ^3=:0'27. 
  

  

  p=0-bi). 
  

  

  ^^=103. 
  :?9=2-35. 
  

  

  10^1. 
  

   0-5 
  

   3-3 
  

   7-9 
  

  

  15-8 
  

   22 
  

  

  A. 
  

  

  58 
  

   52 
  

   36 
  

   30-5 
  

  

  28-5 
  

  

  lO'I. 
  

   041 
  

   1-5 
  

   2-3 
  

   6-6 
  

   12-6 
  

  

  A. 
  

  

  lO'^I. 
  

  

  A. 
  

  

  lO'I. 
  

  

  A. 
  

  

  IG^L 
  

  

  A. 
  

  

  10^1. 
  ; 
  A. 
  1 
  lO'I. 
  

  

  A. 
  

  

  81 
  

   60 
  

   60 
  

   50 
  

   41 
  

  

  1-2 
  

   1-3 
  

   4-4 
  

  

  9-8 
  

   35-8 
  

  

  96 
  

   95 
  

   83 
  

   62 
  

   36 
  

  

  0-65 
  

  

  22 
  

  

  6-0 
  

  

  15-6 
  

  

  24-0 
  

  

  56 
  

   51 
  

   48 
  

   39 
  

   37 
  

  

  0-85 
  

  

  2-8 
  

  

  6-9 
  

  

  20-2 
  

  

  95 
  

  

  94 
  

   64 
  

   60 
  

   44 
  

   35 
  

  

  0-65 
  125 
  0-88 
  

   2-2 
  105 
  1-2 
  

   11-0 
  70 
  4-0 
  

   27-6 
  58 
  ^ 
  12-6 
  

   13 
  51 
  54 
  

  

  169 
  

  

  157 
  

  

  120 
  

  

  80 
  

  

  71 
  

  

  The 
  anode 
  fall 
  can 
  be 
  expressed 
  by 
  either 
  of 
  the 
  two 
  

   functions 
  : 
  

  

  (1) 
  A 
  = 
  Ao 
  + 
  a,y;-l-;^(«2 
  — 
  ^i^j^'^^ 
  

  

  (2) 
  A 
  = 
  Ao+-^ 
  \ 
  . 
  

  

  Within 
  the 
  pressure 
  limits 
  of 
  my 
  experiments 
  both 
  equations 
  

   satisfy 
  equally 
  well 
  the 
  observations 
  : 
  it 
  is 
  first 
  for 
  higher 
  

   pressures 
  that 
  the 
  difference 
  would 
  be 
  sig^nificant. 
  The 
  

   constants 
  of 
  the 
  tw^o 
  functions 
  for 
  HGl 
  and 
  HBr 
  are 
  given 
  in 
  

   the 
  table. 
  

  

  Table 
  VII. 
  

  

  1 
  Equation 
  1. 
  

  

  

  Equation 
  

  

  o. 
  

  

  

  HCl. 
  

  

  HBr. 
  

  

  

  HCl. 
  

  

  HBr. 
  

  

  Ao 
  ... 
  

  

  23-8 
  

  

  350 
  

  

  Ao 
  ... 
  

  

  23-8 
  

  

  35-0 
  

  

  «i 
  ••• 
  

  

  8-2 
  

  

  15-0 
  

  

  «i 
  ••• 
  

  

  9-0 
  

  

  17-2 
  

  

  ac. 
  ... 
  

  

  62 
  i 
  

  

  112-5 
  

  

  «, 
  ... 
  

  

  61-2 
  

  

  110 
  1 
  

  

  

  12 
  1 
  

  

  28 
  

  

  ,c? 
  ... 
  

  

  420 
  

  

  250 
  

  

  fC 
  

  

  11x10 
  

  

  r9xio< 
  

  

  k' 
  ... 
  

  

  1-1x10^ 
  

  

  2 
  0x10^ 
  

  

  1 
  

  

  