﻿Experiment 
  relating 
  to 
  the 
  Drift 
  of 
  the 
  JEther. 
  21 
  

  

  Again, 
  

  

  e 
  = 
  

  

  D_„ 
  

   and 
  & 
  = 
  <!>— 
  x~x'; 
  

  

  hence 
  

   B, 
  

   e 
  2 
  

  

  2 
  = 
  ^4 
  2 
  2> 
  

  

  [-^]v{v[^] 
  + 
  4-^]} 
  

  

  +a, 
  K-x-3}- 
  ,wi/ 
  [i 
  + 
  H- 
  

  

  . 
  . 
  . 
  (12) 
  

   Hence 
  after 
  multiplication 
  and 
  reduction 
  

  

  

  + 
  vurW[0] 
  (13) 
  

  

  