54Q 



INDEX. 



Page 



Fireproofing, 277 



clays used, 278, 280, 281 



factories manufacturing, .... 283 



molding of, 282 



shrinkage of, 282 



temperature of burning 105 



Fire shrinkage, see Shrinkage. 



Fish House, clays at, 133, 394, 403 



Flashing brick, 237 



Flemington, clay at, 121, 425 



Flint, 296 



Flint clays, 321 



Flood-plain clays, 12 



Floor driers in brick manufacture,... 234 



Floor tile 285-287 



absorption of water by, 287 



clays used, 286 



firms manufacturing, 287 



Florence, clays near, 199, 377 



Florida, analysis of ball clay from,... 51 



Florida Grove, clay at, 445, 462,464 



Fluffy sand, The, 144 



Forbes farm, feldspar from, 469 



Fort Mott, clay at, 502 



Fossils, Beacon Hill formation, 138 



Cohansey formation, 138 



Pensauken clay, 134 



Front brick, temperature of burning,. 105 



method of manufacture, 223 



value of, 266 



Fusibility of clay, 97 



classification "of clays based 



on, 100 



determination of, 101 



effect titanium oxide on 71 



fire clays 315-320 



Fusion, incipient, 98 



temperature of, 99 



G. 



Garfield, analysis of clay from 374 



Garnet in clay 48, 68 



Geological formations in Xew Jersey, 



table of, 119 



Gerlach, 79 



Glacial clays, 124-130, 343, 344 



analysis of, 374 



Hackensack valley 124 



localities, 124-130 



origin of, 124 



Passaic valley, 128 



physical properties of, ... .345-348 



Glauconite, analysis of, 46 



source of alkalies, 67 



Glazed brick 218 



clays used for, 223 



Glazing, pottery, 301-302 



Glen Moore, clay at, 433 



Page 

 Gloucester county, clay deposits in,. 419-423 



clay-working industry, 423 



Globe Fireproofing Company, clay pits 



worked by, 408 



Golden, Colo., analysis of fire clay 



from, 319 



Granite, composition of, 4 



Granite ware, value in 1902, 309 



Gratton, L,. C, work of, xxviii 



Great swamp, clay in, 128 



Greensand, see Glauconite. 



Grog, 301 



Grunstadt, Germany, analysis of fire 



clay from, 320 



Gryphaea vesicularis, 154 



Gypsum, in clays, 48, 60 



effect of, 63 



H. 



Hackensack, clay at, 125, 373 



Hackensack valley, clay in 124 



Hacks 233 



Haddonfield, clay near, 398,399 



Haedrick, clay pits of, 378 



Haines, David, clay of, 494-496 



Hammer, Jacob, clay bank of, 506 



Hand & Son, D., clay of, 121, 503 



Harrisonville, clay near, 421, 422 



Hay, clay on property of, 380 



Hazleton estate, clay on, 484 



Hecht, 101 



Hematite, in clays, 45 



Herbcrtsville, clay near, 489,490 



Herbertsville Brick Company, clay 



of, 489, 490 



Hess & Golder, clay of, 414 



Hettenleidelheim, analysis of fire clay 



from, 320 



Highly refractory clays, definition,... 100 



analyses of, 440, 441, 443 



fusion tests on, 441 



Middlesex county, 439-444 



Hightstown, clay near, 430 



Hill, R. T., 213 



Hillebrand, 49 



Hobart's brickyard, clay at, 416 



Hofman, H. O., 99, 319 



Holland, clay near, 426 



Hollick, Arthur 138, 166 



Hollow blocks, 277, 278 



molding of, 282 



temperature in burning, .... 105 



Hollow bricks, 277, 278 



Hollow ware, 277-283 



factories manufacturing,.... 282 



kinds, 277 



method of manufacture, 282 



raw materials, 44, 278, 338 



