﻿104 
  Mr. 
  J. 
  Bose-Innes 
  on 
  the 
  Isothermals 
  of 
  Ether. 
  

  

  laws 
  of 
  a 
  perfect 
  gas 
  ; 
  if 
  we 
  call 
  this 
  temperature 
  t 
  we 
  easily 
  

   have 
  

  

  av 
  

  

  T 
  = 
  

  

  bv-R' 
  

  

  © 
  

  

  V— 
  5= 
  '1 
  '2 
  '3 
  -4 
  -5 
  -3 
  7 
  

  

  The 
  values 
  of 
  b 
  and 
  a 
  are 
  given 
  by 
  Profs. 
  Ramsay 
  and 
  

  

  