﻿106 
  Mack 
  and 
  Hulett 
  — 
  Water 
  Content 
  of 
  Coal. 
  

  

  Fig. 
  5. 
  

  

  2.4- 
  

  

  

  • 
  

  

  Mesh 
  

  

  

  

  

  

  U.0- 
  

  

  

  1.6- 
  

  

  

  t 
  f 
  ' 
  ^r^ 
  

  

  Plttsbur^k 
  Coal 
  

  

  1? 
  - 
  

  

  o 
  

  

  X 
  

  

  a) 
  

   u 
  1 
  

  

  $- 
  1 
  

  

  

  Effect 
  of 
  kea.ti.-nO 
  different 
  

  

  0.8 
  ■ 
  

  

  0.4- 
  

  

  

  Sized 
  co&l 
  grains, 
  &t 
  18 
  T 
  

  

  

  

  

  M 
  mutes 
  

  

  30 
  

  

  60- 
  

  

  io 
  

  

  120 
  

  

  Fig. 
  6. 
  

  

  