﻿CLAYS 
  OF 
  NEW 
  YOEK 
  

  

  555 
  

  

  

  Composition 
  and 
  fusing 
  points 
  of 
  Seg-er 
  

  

  cones 
  

  

  

  No. 
  of 
  cone 
  

  

  Composition 
  

  

  Fusing 
  point 
  

  

  

  

  "F 
  

  

  °C 
  

  

  .022 
  

  

  j 
  0.5^820) 
  J 
  

  

  [0.5 
  PbO 
  j 
  ] 
  

  

  2.0 
  SiOs 
  / 
  

  

  1.0 
  B203f 
  

  

  1 
  094 
  

  

  590 
  

  

  .021 
  

  

  ]0.5 
  PbOf 
  ^--^ 
  ^^2^3 
  

  

  (2.2 
  SiOa 
  1. 
  

   ll.O 
  B2O3) 
  

  

  1 
  148 
  

  

  620 
  

  

  .020 
  

  

  iO.SNa^O/ 
  . 
  2 
  AlO 
  

   |o.5 
  PbO 
  f 
  ^-^ 
  ^^'^' 
  

  

  2.4 
  SAi 
  

  

  (1.0 
  E2O3S 
  

  

  1 
  202 
  

  

  650 
  

  

  .019 
  

  

  1 
  0.5 
  PbO 
  i 
  ^-"^ 
  ^h^s^ 
  

  

  (2.6 
  Si02l 
  

   (l.u 
  BAf 
  

  

  1 
  2.^6 
  

  

  680 
  

  

  .018 
  

  

  iU.5Ka,0[ 
  A 
  A]o 
  ^ 
  

   |0.5 
  PbO 
  p-* 
  ^Ws- 
  

  

  (2.8 
  SAl 
  

   [l.O 
  B2O3S 
  

  

  1 
  310 
  

  

  710 
  

  

  .017 
  

  

  \0.5Ka2O 
  i 
  5 
  AlO 
  . 
  

   |0.5 
  PbO 
  j 
  ^-^ 
  ^Ws' 
  

  

  [3.0 
  SAl 
  

   (1.0 
  B2O3) 
  

  

  1 
  364 
  

  

  740 
  

  

  .016 
  

  

  i0.5Na2O) 
  . 
  ...^ 
  

  

  (3.1 
  SAl 
  

  

  (1.0 
  BsOgi 
  

  

  1 
  418 
  

  

  770 
  

  

  .015 
  

  

  j 
  0.5Na2O 
  l^ 
  n 
  Ai 
  p. 
  

   |0.5 
  PbOr-^ 
  ^^'^'' 
  

  

  (3.2 
  S1O2] 
  

   [l.O 
  B2O3I 
  

  

  1 
  472 
  

  

  800 
  

  

  .014 
  

  

  J 
  O.SKa^O 
  i 
  ^ 
  n.Aio 
  

   (0.5 
  PbO 
  \^'^^^h^s- 
  

  

  (3.3 
  SiOa) 
  

   U-0 
  B203( 
  

  

  1 
  526 
  

  

  830 
  

  

  .013 
  

  

  i0.5IS^.2O) 
  ^ 
  ,.^ 
  

   1 
  0.5 
  PbO 
  S 
  ^-^ 
  ^^^^^ 
  

  

  (3.4 
  SAl 
  

   (1.0 
  B203( 
  

  

  1 
  580 
  

  

  .860 
  

  

  .012 
  

  

  jo. 
  5X8^0 
  i 
  ^g,,^ 
  

   (0.5 
  PbO 
  ) 
  ^-^^^h^s- 
  

  

  3.5 
  SAl 
  

   (1.0 
  B,0j 
  

  

  1 
  634 
  

  

  890 
  

  

  .011 
  

  

  i0.5Nn2O) 
  , 
  Q 
  

   (0.5 
  PbO 
  j 
  ^-^ 
  ^^^^'' 
  

  

  (3.6 
  SAl 
  

  

  (1.0 
  E203( 
  

  

  1 
  688 
  

  

  920 
  

  

  .010 
  

  

  \ 
  0.3 
  KgO 
  i 
  0.2 
  FeA 
  

   1 
  0.7 
  CaO 
  f 
  0.3 
  aWs' 
  

  

  1 
  3.50 
  SAl 
  

   1 
  0.50 
  B203( 
  

  

  1 
  742 
  

  

  950 
  

  

  .09 
  

  

  s 
  0.3 
  Kpi 
  0.2 
  FeA 
  

  

  1 
  3.55 
  SAl 
  

  

  1 
  778 
  

  

  970 
  

  

  (0.7 
  CaO 
  (0.3 
  AlA' 
  

  

  1 
  0.45 
  B203f 
  

  

  .08 
  

  

  j 
  0.3 
  K2O 
  [0.2 
  FesO, 
  

   (0.7 
  CaO 
  (0.3 
  AI2O3" 
  

  

  13.60 
  SAl 
  

   1 
  0.40 
  B203( 
  

  

  1 
  814 
  

  

  990 
  

  

  .07 
  

  

  J 
  0.3 
  K2O 
  1 
  0.2 
  FeaOg 
  

   ( 
  0.7 
  CaO 
  (0.3 
  AI2O3' 
  

  

  1 
  3.65 
  SAl 
  

   ' 
  0.35 
  B2O3 
  ( 
  

  

  1 
  850 
  

  

  1 
  010 
  

  

  .06 
  

  

  j 
  0.3 
  K2O 
  (0.2 
  FeaOg 
  

   1 
  0.7 
  CaO 
  (0.3 
  A]203^ 
  

  

  (3.70 
  SAl 
  

   (O.SOBaOsf 
  

  

  1 
  8S6 
  

  

  1 
  030 
  

  

  .05 
  

  

  jO.3 
  KoOi 
  0.2 
  FeaOg 
  

   (0.7 
  CaO 
  (0.3 
  AI2O3' 
  

  

  (3.75 
  SAl 
  

   0.25 
  B203f 
  

  

  1 
  922 
  

  

  1 
  050 
  

  

  .0-1 
  

  

  j 
  0.3 
  K2O(0.2 
  Fe203 
  

   (0.7 
  CaO 
  (0.3 
  AI2O3I 
  

  

  3.h0 
  SiOg] 
  

   0.20 
  B203( 
  

  

  1 
  958 
  

  

  1 
  070 
  

  

  .05 
  

  

  J 
  0.3 
  KoO 
  i 
  0.2 
  Fe203 
  

  

  ) 
  0.7 
  CaO 
  ( 
  0.3 
  AJ203' 
  

  

  3.85 
  S1O2) 
  

   0.15 
  B2O3 
  f 
  

  

  1 
  994 
  

  

  1 
  090 
  

  

  .02 
  

  

  (0.3 
  K2O 
  1 
  0.2 
  Fe203 
  

   (0.7 
  CaO 
  (0.3 
  A1203; 
  

  

  3.90 
  S1O2 
  I 
  

   0.10 
  B203( 
  

  

  2 
  030 
  

  

  1 
  110 
  

  

  .01 
  

  

  ( 
  U.3 
  K2O 
  1 
  0.2 
  FegOg 
  

   1 
  0.7 
  CaO 
  f 
  0.3 
  AlaOa; 
  

  

  3.95 
  Si02 
  1 
  

   0.05 
  BA( 
  

  

  2 
  066 
  

  

  1 
  130 
  

  

  