﻿104 
  Macfc 
  and 
  Hulett 
  — 
  Water 
  Content 
  of 
  Coal. 
  

  

  Fig. 
  3. 
  

  

  100 
  120 
  

  

  Fig. 
  4. 
  

  

  10.- 
  

  

  230° 
  

  

  111' 
  

  

  100° 
  

   8Z° 
  

  

  Illinois 
  Coal 
  

  

  10 
  20 
  30 
  40 
  50 
  60 
  70 
  80 
  ^0 
  

  

  