﻿Smithsonian 
  Report, 
  1943. 
  — 
  Armstrong 
  

  

  Plate 
  4 
  

  

  Evaporation 
  Pans 
  in 
  the 
  Palestine 
  potash 
  Plant. 
  

   (Courtesy 
  of 
  Palestine 
  Potash, 
  Ltd.) 
  

  

  