CHAPTER X, 



THE MANUFACTURE OF BUILDING 



BRICK. 



CONTENTS. 



Raw materials. 



Common brick. 

 Pressed brick. 

 Enameled brick. 

 Glazed brick. 

 Methods of manufacture. 

 Preparation. 



Dry crushing. 



Soak pits. 



Ring pits. 



Pug mills. 



Wet pans. 

 Molding. 



Soft-mud process. 



Stiff-mud process. 



Dry-press and semidry-press processes. 

 Re-pressing. 

 Drying. 



Covered yards. 



Pallet driers. 



Drying tunnels. 

 Burning. 



Effects in burning due to the clay. 



Flashing. 

 Kilns. 



Updraft kilns. 



Building brick include common brick, face and pressed brick, 

 enamel brick and glazed brick. Common brick include all those 

 Tised for ordinary structural work, and are employed commonly 

 for side and rear walls of buildings, or, indeed, for any portion 

 of the structure where appearance is of minor importance, 



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