CHAPTER XV. 



THE POTTERY INDUSTRY. 



CONTENTS. 



Introduction. 



Department of Ceramics, State College, New Brunswick. 



Raw materials. 



Clay for common earthenware. 

 Stoneware clays. 

 White ware and porcelain clays. 

 Manufacture of pottery. 

 Tempering. 



Chaser mills. 



Pug mills. 



Tables. 

 Molding. 



Turning. 



Jollying or jigging. 



Pressing. 



Casting. 

 Drying. 

 Burning. 

 Glazing pottery. 

 Decoration. 

 Electrical porcelain. 

 Sanitary ware. 

 Bath tubs. 

 New Jersey pottery industry. 

 Early history. 

 At Trenton. 

 At other localities. 



INTRODUCTION. 



Under the term of pottery there is included a great series of 

 products for ornamental or domestic use ranging from the com- 

 mon red earthenware flowerpot to the highly artistic and delicate 

 porcelain vase. The technology of the lower grades is compara- 



(291) 



