INDEX. 



547 



Page 



Stover, E. C, 307 



St. Louis, Mo., analysis of fire clay 



from, 319 



Stratigraphy of New Jersey clays,. .117-209 

 Such, J. R., clay pits of,. 450, 451, 452, 461 

 Sulphur, see Pyrite. 



Sulphur balls, 174 



Surface working of clay, 3 2 



Sussex county, clay deposits of, 505 



Sussex (Deckertown), clay at, 505 



Swamp clays, 12 



Swedesboro, clay near, 421 



Talc-like, micaceous clay, 353,422 



Tallman, A. D., clay on property of,. 505 



Tansborough, clay near, 402 



Tempering, brickmaking, 225, 246 



pottery manufacture, 297 



Ten-Mile Run, clay near, 196 



Tensile strength, 83-90 



effect of sand on, 92 



fire clays, 322 



measurement of, 84 



range of, 85 



relation to air shrinkage, ... .92-93 



relation to plasticity 83,90 



relation to texture 87 



tables of, 85, 346-364, 525-527 



variation in, 86 



Terrace clays, 12 



Terra cotta, manufacture of, 272—275 



New Jersey industry, 274 



list of producers, 275 



temperature of burning, . 105, 274 



value, 275 



raw materials, 269 



distribution, 272 



Terra-cotta clay, 215 



distribution of, 272 



Middlesex county, 338 



physical characters, table, . .270-271 



Terra-cotta lumber, 277 



Tertiary formations, clays in, 137—147 



subdivisions of, 137 



Texture of clay, 107 



relation to tensile strength, . . 87 



Thackara's brickyard, clay at, 421 



Thermoelectric pyrometer, 106 



Thickness of clay deposits, determina- 

 tion of 27 



Thompson, N. B., clay of, 480 



Tile, drain, 288 



floor, 285 



value in 1902, 288 



wall, 287 



Till, 124 



Tilton, E. R., clay deposits of, 487 



Tilton, Isaac, clay deposit of, 489 



Page 



Timbuctoo, clay near, 387 



Tinsman, Henry I., clay bank of,.... 200 

 Titanium, 69 



effect in fire clays, 317 



Titanium-kaolin-silica mixtures, fusion 



of, 318 



Titanium oxide, effect on fusibility,.. 71 



mixtures for tests on, 70 



Toms River, clay near, 487, 488 



Townsend, E. N. & J. E-, 483 



Transverse tests of brick, 252 



Trap rock, 206 



Trenton, clays near, 197, 428, 432 



pottery industry at, .. .305-308, 511 



Triassic formation, clays in, 205 



Triassic shales, economic description 



of, 36s, 374 



Tuckahoe, clay near, 407 



Tuckerton, clays at and near, 485, 486 



u. 



Ultimate analysis of clays, 49 _ 52 



Underground workings of clay, 30 



Union Clay Works, clay at, 483 



Union county, clay deposits of, 506 



Up-draft kilns, 240 



Upper marl, 151 



Uses of clays, 213 



Uschwold & Ulrich, 493 



V. 



Valentine, E. W. & Brothers, feldspar 



bank, 178 



Valentine, M. D. & Brothers Go., clay 



of, 439 



Valentine, R. N. & H. Co., clays of,. 447 



Van Deventer Station, section near,.. 179 



Vineland, clay at, 416 



Viscosity, 98 



Vitrification, 98 



Vitrified brick, water absorption of,.. 253 



value of, 266 



W. 



Wad clay, 215, 338 



Wall tile, 287 



firms manufacturing, 288 



Ware clay 214 



Warren county, clay deposits of, 507 



Washing clays 36 



Washington, clay at, 507 



Water in clay, 71-73 



Waters, R. H., 250 



Weathering clay, 223 



Webster, Isaac, clay of, 504 



Weight, loss in burning, 63 



Wenonah sand (Clay Marl V), 154 



West, Joseph C, clay dug by, 378 



