﻿Smithsonian 
  Report. 
  1943. 
  Armstrong 
  

  

  Plate 
  2 
  

  

  Settling 
  Tank, 
  Which 
  Has 
  a 
  Capacity 
  of 
  2,000.000 
  Gallons 
  of 
  Water 
  

   and 
  Approximately 
  1,000 
  Tons 
  of 
  Magnesium 
  hydroxide. 
  

  

  (Courtesy 
  of 
  British 
  Periclase 
  Co.) 
  

  

  The 
  Rotary 
  Kilns. 
  Which 
  are 
  160 
  Feet 
  Long 
  and 
  10 
  Feet 
  in 
  Diameter, 
  

   Each 
  Burns 
  Approximately 
  300 
  Tons 
  of 
  Magnesia 
  per 
  week. 
  

  

  (Courtesy 
  of 
  British 
  Periclase 
  Co.) 
  

  

  