INDEX TO CLAYS OF NEW YORK 



933 



oxid in, 520'; fluxes, 512^; lime in, 

 523^; magnesia in, 524*; silica in, 

 525'; used for paving brick, 743^; 



in Alabama, 612^; Colorado, 613«; 

 Delaware, 614*; Indiana, 615'; Kan- 

 sas, 617''; Kentucky, 617*; Maryland, 

 619'; Missouri, 62P; New Jersey, 

 623^; New York, 788^-90^; North 

 Carolina, 623', 624="; Ohio, 536^-37», 

 625^; Pennsylvania, 625°; South Da- 

 kota, 626^^; Texas, Q27\ 



Fire gases, effect on color, 641^, 641'- 

 42'. 



Fire sand in New Jersey, 623^. 



Fireproofing, bricks used for, 773"; 

 forms, illus. facing p. 773; value of 

 output, 493', 494^ 



Fires, time of crossing, 675''. 



Fishers island, clay deposits, 597', 

 603«, 606^ 737^-38"; crumpled layers, 

 606^ brick yards, 737^-38°. 



Fishers Island brick manufacturing 

 CO., 737^-38«. 



Fishkill, clay deposits, 577*, 697'-98'; 

 illus. facing p. 697; terrace, 586', 

 590°; illus. facing p. 586; brick yard, 

 688', 697'-98''. 



Fishkill creek, delta deposits, 588'. 



Fitzgerald, J., sons, brick yard, 703°. 



Flagler & Allen, brick yard, 701^ 



Flange tile, 770'. 



Flashed brick, 646''; illus. facing p. 

 464. 



Flint, 506'; used to prevent shrinkage, 

 549^ 



Flint clay, 781°; 



in Kentucky, 617°; Maryland, 619'; 

 Missouri, 621' ; Ohio, 624'. 



Floor driers, 671°-72'; illus. facing p. 

 672. 



Floor tile, 774^-76'; manufacturers, 

 913=-25*. 



Florida, clay deposits, 614=-15^ 732^; 

 brick yard, 732^; ball clays, 793'. 



Flower city pottery, 824°. 



Flower pots, manufacture, in Missouri, 

 622*; New York manufacturers, 

 913'-25*. 



Fluxes in clays, 511'-12'; purification, 

 635'. 



Fonda, brick yard, 713'. 



Food adultei-ants, 852°. 



Fort Edward, pottery Avorks, 824'. 



Fossils, 587', 595', 600-1, 602=, 602°, 

 603', 604', 60o^ 609', 610°. 



France, glass-pot clays, 787'. 



Free silica, 525=. 



Freshpond, clay , deposits, 597', 003', 

 606\ 735*-36''; crumpled layers, 606^; 

 brick yards, 735*-36'; stratification, 

 735°. 



Frit, 810'. 



Front brick, 639°; repressed, 668*; clays 

 for, 639°; manufacture, 771°. 



Fuel, cost, 676', 686°. 



Fullers' earth, 848^-51; analysis, 851; 

 properties and uses, 848'-49°; 



in Florida, 614°, 615^; New York, 

 849°-50'; South Dakota, 626«. 



Fulton county, brick yards, 714*. 



Fusibility of clay, 512*, 550'-61^ 562'; 

 fireclays, 783^; slip clay, 808*; feld- 

 spar, 841^ 



Fusion, temperature of, 506*, 552', 562*. 



Ganister, 784'. 



Gardeau shales, 834'-35'. 



Garden City brick co., 740=-41i; illus. 

 facing p. 604, 665, 678, 740. 



Gardiner's island, clay deposits, 603', 

 605^; crumpled layers, 606^ 



Gardonas, N., brick yard, 708'. 



Garnet, 516', 520^ 578^ 705^; source 

 of alkaline compounds, 514'. 



Garrett, H. L., brick yard, 713'. 



Gas retorts, manufacture, 788'. 



Gay, Eobert, brick yard, 722^. 



Geddes, paving brick manufacture, 

 756'-57°. 



Genesee county, drain tile works, 771'- 

 72*; shale, 829'. 



Genesee river, clay deposits, 573'; Me- 

 dina shale, 826'-27^; Cashaqua shale, 

 834'; Chemung shale, 836'-37'. 



Geneva, brick yards, 718°. 



Geologic distribution of clays, 572- 

 627. 



Georgia, clay deposits, 615'; kaolins, 

 793'. 



G«rlach, 0., on efflorescence, 680'-81S 

 682'-83*. 



German brick and tile co., 720'. 



Germany, glass-pot clays, 787'. 



Gilette,'Mrs C. S., brick yard, 718*. 



Gilliland & Day, brick yard, 710^ 



Glacial action, at Long Island, 606'; 

 at Staten Island, 607'. 



Glacial deposits, 575', 576°, 584^ 591°, 

 604\. 609°, 620*. 



Glacial scratches, 577°, 579', 582*, 584=, 

 588=. 



Glaciated boulder, illus. facing p. 582. 



Glasco, terrace, 579^; brick yards, 

 700'-l'; clay deposits, 700'-!^. 



Glass-pot clay, 618', 786'-87'. 



Glass pots, manufacture, 544', 



Glazed brick, 650', 652*. 



Glazed tile, 777', 779'. 



Glazes, calcareous clays used in manu- 

 facture, 52P; use of Hudson valley 

 clays for, 689= ; pottery, 796'-97^ 



Glazing, brick, 652*; terra cotta, 762*; 

 sewer pipe, 707°; stoneware, 806°-9^; 



