﻿Plate 
  98 
  To 
  face 
  page 
  7G8 
  

  

  Circular 
  down 
  draft 
  kiln 
  for 
  burning 
  sewer 
  pipe 
  and 
  drain 
  tiles. 
  J. 
  Lyth 
  & 
  Sons, 
  

   Angola. 
  

  

  