INDEX TO CLAYS OF NEW YOKK 



94:1 



Sedimentary clays, 501*, 501^-2'; oc- 

 currence in N. Y. state, 573'-93°; 

 structure, 628^-29'. 



Seger, H., classification of clay, 564', 

 567'; on color of clay, 519', 565», 

 566', 566"; on effect of iron in clay, 

 64CP; on ferrous condition of iron, 

 517°; on marly clays, 522'; on effect 

 of heating plastic clay, 562*; on 

 plasticity, 543'; method of rational 

 analysis, 535'; experiment on effect 

 of titanium on clay, 527'. 



Seger cones, 553^-58'; composition and 

 fusing points, 555\ 



Seger's porcelain, 795*, 796'. 



Semi-dry process, 667\ 



Seneca county, brick yards, 718'; 

 shale, 829'. 



Seneca Falls, brick yard, 718'. 



Seneca river brick co., 717'-18'. 



Sewer brick, 645°. 



Sewer pipe, clays, 767^; porosity or 

 permeability, 854', 855'; 



manufacture: 768^-70^; illus. facing 

 p. 767-69, 774; in Colorado, 613'; 

 Missouri, 622*; New York manufac- 

 turers, 769^-70\ 913^-25*; value of 

 output in New York, 493*, 494'; in 

 Tennessee, 626'. 



Shale, 825^-44'; illus. facing p. 830, 

 837, 839-40; analyses, 716\ 769', 

 899*-901*; distribution and proper- 

 ties, 502», 572', 578S 587', 826'-41'; 

 formation, 502S 826'; in Indiana, 

 615'; in Michigan, 620'; in Missouri, 

 622'; 



uses: 494«-95', 765', 769', 840', 845'- 

 53°; for common brick, 686', 727'; 

 for mottled brick, 646'; for paving 

 brick, 502', 725', 743', 745'. 



Shankey, J. D., brick yard, 694'. 



Sharon Station, clay deposits, 572'. 



Shells in clay, 575'. 



Shrinkage, of clav, 522', 529', 530', 

 545'-50', 636'-37\ 637', 639', 672'; 

 of porcelain, 795*. 



Siderite, 508*, 516'. 



Siegfried, F., brick yard, 718'. 



Sienna, 848'. 



Sieves, use of, 634°. 



Signor, W. H., brick yard, 726*. 



Silica, 511', 511', 525^-26', 860'; and 

 bases, action of heat on mixture of, 

 518^ Ffpe also Analyses; Quartz. 



Silica brick, 784', 785'. 



Simpson dry press brick machine, illus. 

 facing p. 664. 



Slags, 512'. 



Slin clays, 620', 806«-9'; analyses, 880'- 

 83'. 



Slumming, 561*. 



Smith, C. H. L., porcelaiu works, 823'. 



Smith, E., brick yard, 706'. 



Smith, J. S., brick yard, 713\ 



Smith's dock, terrace, 578'; clay de- 

 posits, 700'; brick yard, 700'. 



Soak pits, 658'-59'; illus. facing p. 658. 



Soda, 511', 512*, 512S 513*. 



Sodus Point, shale, 828'. 



Soft brick, 645'. 



Soft mud brick, illus. facing p. 464. 



Soft mud process, 645S 661°-64', 745*; 

 cost, 686'; machines, 784'; illus. 

 facing p. 661. 



Sole tile, 770^ 77 P. 



Sorting of bricks, 679'. 



South Bay, brick yard, 715*; clay de- 

 posits, 715*. 



South Bethlehem, terrace, 591'; illus. 

 facing p. 591. 



South Dakota, clay deposits, 626\ 



South Trenton, brick yard, 713'; clay 

 deposits, 713'. 



Southold, brick yards, 736'-37"; clay 

 deposits, 604\ 736'-37'. 



Spar, see Feldspar. 



Spar china, 794'. 



Spatting, 669'. 



Specific gravity of fire brick, 786'. 



Speckled bricks, 646'. 



Spencer, brick yard, 728'; old lake bot- 

 tom, illus. facing p. 573. 



Sponge spicules, 594*, 599', 609'; illus. 

 facing p. 600-1. 



Springbrook, clay deposits, 724'. 



Staatsburg, terrace, 581^ 



Stanwix, D. H., brick yard, 706'. 



Staples, A. S., brick yard, 699', 700'. 



Staten Island, brick yards, 742°-43*; 

 terra cotta manufacture, 763^ 764*; 

 clays: 573', 607'-ll', 622», 628', 

 742'-43*: plant impressions, illus. fac- 

 ing p. 611; terra cotta clays, 759*- 

 60'; fire clays, 788'-90'; stoneware 

 clavs. 817'. 



Statistics, clay industry, 493'-94'. 



Steam diying, 671'. 



Steam power, use of, 662', 686'. 



Steam shovel, 632'. 



Stedman, disintesTrator, 656'. 



Stephens, C, brick yard, 715*. 



Steuben county, brick yard, 725'-26'; 

 Chemung shale, 8.39\ 



Stewart, brick yard. 740'. 



Stiff mud process, 645'; machines, 495', 

 6R2''-64', 784'; illns. facing p. 662- 

 63. 765; cost, 686'. 



Stock brick, 645*. 



Stockport, clay deposits, 588^. 



Stoneware, 7ni'-n2°; burning, 809'; 

 f'ecoration, 814'-15\- glazing, 806'- 

 9'; 



manufacture: in Colorado, 613'; 

 Michigan, 620'; manufacturers in 



