﻿930 
  Prof. 
  Bragg 
  and 
  Mr. 
  Madsen 
  : 
  An 
  Experimental 
  

  

  Fisr. 
  7. 
  

  

  

  

  

  

  

  

  

  3 
  

  

  

  

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  — 
  

  

  

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  A 
  

  

  

  

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  / 
  

  

  

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  j 
  

  

  Ifjfa 
  

  

  

  vjiuf 
  /ir 
  

  

  

  

  

  

  

  

  

  

  TH/CXA 
  TV— 
  

  

  Fig-. 
  8. 
  

  

  /MM 
  

  

  T/f/CXN£JS 
  Of 
  JQ%£\ 
  

  

  The 
  results 
  for 
  the 
  hard 
  rays 
  are 
  collected 
  and 
  shown 
  in 
  

   the 
  second 
  column 
  of 
  the 
  following 
  table 
  : 
  — 
  

  

  