﻿Plate 
  44 
  

  

  To 
  face 
  page 
  678 
  

  

  H. 
  Ries 
  photo. 
  

  

  Circular 
  down 
  draft 
  kiln 
  for 
  burning 
  brick 
  and 
  hollow 
  bricks. 
  Onondaga 
  vitrified 
  

   brick 
  CO.. 
  Warners. 
  

  

  