viii CONTENTS. 



PAGE 



Chapter XII. Terra-Cotta Manufacture and the New Jersey 



Terra-Cotta Industry, 269-275 



Raw materials, 269 



Terra-cotta manufacture, 272 



New Jersey terra-cotta industry, 274 



List of producers, 275 



Chapter XIII. Hollow Ware for Structural Work and 'Con- 

 duits., 277-284 



Hollow ware, 277-283 



Character and uses, 277 



Raw materials, 278 



Method of manufacture, 282 



New Jersey, industry, 282 



Conduits, 283 



Clays and manufacture, 283 



New Jersey industry, 284 



Chapter XIV. Floor Tile, Wall Tile and DraintilE, 285-289 



Floor tile, 285-287 



Raw materials, 285 



Method of manufacture, 286 



Character of product, 286 



New Jersey industry, 287 



Wall tile, 287 



Draintile, 288 



Chapter XV. The Pottery Industry, 291-309 



Introduction, 291 



Department of Ceramics, State College, New 



Brunswick, 293 



Raw materials, 294 



Clay for common earthenware, 294 



Stoneware clays, 295 



White ware and porcelain clays, 296 



Manufacture of pottery, 297 



Tempering, 297 



Molding, 298 



Drying, 300 



Burning, 300 



Glazing pottery, 301 



Decoration, 303 



Electrical porcelain, 303 



Sanitary ware, 3®3 



Bath tubs, 303 



New Jersey pottery industry, 3C4 



Early history, • ' :*. . 304 



At Trenton, 305 



At other localities, 308 



