﻿930 
  

  

  NEW 
  YOKK 
  STATE 
  MUSEUM 
  

  

  Chromium, 
  511», 
  567^ 
  

  

  Chromium 
  oxid, 
  777®. 
  

  

  Chromolithographic 
  decoration, 
  816®- 
  

   17*. 
  

  

  Cimolite, 
  505^. 
  

  

  Cistern 
  brick, 
  645'. 
  

  

  Clamp, 
  674^ 
  

  

  Clarkson, 
  brick 
  yard, 
  722", 
  

  

  Classification 
  of 
  clays, 
  564^-71®. 
  

  

  Clay, 
  absorption, 
  515®, 
  528«-29«, 
  546='; 
  

   methods 
  of 
  analyzing, 
  530^-38^; 
  

   burned, 
  549®-50^; 
  chemical 
  effects 
  of 
  

   heating, 
  561®-63®; 
  chemical 
  proper- 
  

   ties, 
  510^-38^; 
  classification, 
  564^- 
  

   71®; 
  clay 
  substance, 
  497^ 
  510®; 
  color, 
  

   515^ 
  515®, 
  517®, 
  519^ 
  521^ 
  527^-28^ 
  

   565®-71^ 
  574®. 
  577^ 
  610^ 
  crumpling, 
  

   593^ 
  597^ 
  603^ 
  606'; 
  definition, 
  496^ 
  

   497^; 
  formation, 
  500^ 
  fusibility, 
  

   512^ 
  550«-61^ 
  562«; 
  impurities, 
  508*, 
  

   511^-28*; 
  adaptable 
  to 
  different 
  

   molding 
  methods, 
  667^-68'^; 
  miner- 
  

   alogy, 
  503^-9*; 
  origin 
  and 
  nature, 
  

   496^-502'; 
  physical 
  properties, 
  510^ 
  

   538^-61^ 
  plasticity, 
  496=, 
  504% 
  528', 
  

   530% 
  539^-44% 
  637% 
  845=^; 
  porosity, 
  

   522®, 
  672=; 
  preparation 
  of, 
  655^-60^; 
  

   properties, 
  510^-63'; 
  pure, 
  500% 
  505% 
  

   510% 
  511% 
  511®; 
  purification, 
  633^- 
  

   35^; 
  refractoriness, 
  511% 
  526% 
  563^; 
  

   shrinkage, 
  522% 
  529% 
  530% 
  545^-50% 
  

   636^-37% 
  637% 
  639% 
  672«; 
  method 
  of 
  

   counteracting 
  shrinkage, 
  547^-50^^ 
  ; 
  

   tensile 
  strength, 
  541% 
  544«-45®, 
  637^; 
  

   uses, 
  564^-65% 
  636^-42% 
  845^-53^ 
  See 
  

   also 
  Analyses; 
  Brick 
  clays; 
  China 
  

   clays; 
  Fire 
  clays; 
  Flint 
  clays; 
  Glass- 
  

   pot 
  clays; 
  Kaolin; 
  Paving 
  brick 
  

   clays; 
  Pottery 
  clays; 
  Residual 
  clays; 
  

   Sedimentary 
  clays; 
  Slip 
  clays; 
  Stone- 
  

   ware 
  clays. 
  

  

  Clay 
  banks, 
  ownership, 
  685^-86^ 
  

  

  Clay 
  conveyor, 
  illus. 
  facing 
  p. 
  660, 
  761. 
  

  

  Clay 
  deposits, 
  geologic 
  distribution, 
  

   572^-627^; 
  unstratified 
  material 
  

   found 
  with, 
  592®; 
  illus. 
  facing 
  p. 
  

   592; 
  structure, 
  628^-29^; 
  sections 
  of, 
  

   table, 
  858-59. 
  

  

  Clay 
  dogs, 
  507^ 
  

  

  Clay 
  industry, 
  statistics, 
  493'-94'^; 
  

   growth, 
  494^; 
  adoption 
  of 
  modern 
  

   methods 
  of 
  molding 
  and 
  burning, 
  

   495^; 
  conduct 
  of 
  business, 
  685''-86^ 
  

  

  Clay 
  wares, 
  testing, 
  854-57. 
  

  

  Clay 
  workers, 
  directory, 
  913^-25*. 
  

  

  Clay 
  working, 
  628^-35®. 
  

  

  Cleansing 
  clay, 
  633^-35^ 
  

  

  Clifton, 
  clay 
  deposits, 
  607®. 
  

  

  Clinton 
  county, 
  brick 
  yards, 
  709^-10*. 
  

  

  Clinton 
  shale, 
  828'. 
  

  

  Coal, 
  used 
  in 
  burning 
  calcareous 
  claya, 
  

   642®. 
  

  

  Coal 
  dust 
  in 
  brick, 
  675% 
  676'. 
  

  

  Coats, 
  William, 
  brick 
  yard, 
  712^. 
  

  

  Cobalt 
  oxid, 
  567% 
  777®. 
  

  

  Cobbles, 
  582% 
  583% 
  583% 
  586% 
  587% 
  

   592®. 
  

  

  Coe, 
  S. 
  E., 
  brick 
  yard, 
  714% 
  

  

  Coeymans 
  Landing, 
  terrace, 
  591^; 
  brick 
  

   vards, 
  704''-6^; 
  clay 
  deposits, 
  588% 
  

   704''-6^ 
  

  

  Cohoes, 
  brick 
  yards, 
  708^; 
  clay 
  de- 
  

   posits, 
  708\ 
  

  

  Coke, 
  used 
  to 
  prevent 
  shrinkage, 
  548% 
  

   550=. 
  

  

  Coke 
  oven 
  brick, 
  785=. 
  

  

  Coldspring, 
  delta 
  deposits, 
  588^; 
  brick 
  

   yard, 
  695^ 
  

  

  Coldspring 
  Harbor, 
  stratification, 
  597®- 
  

   98^; 
  clay 
  deposits, 
  734®; 
  illus, 
  facing 
  

   p. 
  735. 
  

  

  Collins, 
  J. 
  H., 
  on 
  kaolinization 
  of 
  

   feldspars, 
  498®. 
  

  

  Collyrite 
  in 
  clay, 
  505®. 
  

  

  Color, 
  of 
  clav, 
  515% 
  515% 
  517% 
  519% 
  

   521% 
  527^-28% 
  565®-71% 
  574% 
  577% 
  

   610=; 
  of 
  brick 
  clay, 
  639®-42^; 
  of 
  

   decorative 
  tile, 
  777®; 
  of 
  fire 
  clay, 
  

   782*; 
  of 
  paving 
  brick, 
  744^; 
  of 
  

   pressed 
  brick, 
  646^. 
  

  

  Colorado, 
  clay 
  deposits, 
  572% 
  612^-14^ 
  

  

  Columbia 
  county, 
  brick 
  yards, 
  703®-4^; 
  

   shale, 
  826% 
  

  

  Common 
  brick, 
  absorption, 
  643®, 
  644; 
  

   burning, 
  672®, 
  673% 
  673®; 
  crushing 
  

   strength, 
  643®; 
  different 
  grades, 
  

   645^-47'; 
  table 
  of 
  dimensions, 
  643^ 
  

   requisites, 
  643^; 
  standard 
  size, 
  643^; 
  

   tests, 
  648®: 
  value 
  of 
  output, 
  493% 
  

   494^ 
  

  

  manufacture: 
  645% 
  650=; 
  clay 
  used, 
  

   521=, 
  636*: 
  in 
  Colorado, 
  613^; 
  con- 
  

   tinuous 
  kilns 
  used, 
  679*; 
  manufac- 
  

   turers 
  in 
  New 
  York 
  state, 
  913^^-25*; 
  

   shale 
  used, 
  495% 
  686®. 
  ^ee 
  also 
  Brick 
  

   clays. 
  

  

  Concretions, 
  sand, 
  585=; 
  clay, 
  593'- 
  

   94®, 
  602\ 
  604^ 
  

  

  Cones, 
  Seger, 
  553®-58^ 
  

  

  Conewango, 
  clay 
  deposits, 
  576^ 
  

  

  Connecticut, 
  clay 
  deposits, 
  572% 
  614*. 
  

  

  Continuous 
  kilns, 
  495% 
  678 
  W9% 
  814®; 
  

   illus. 
  facing 
  p. 
  679. 
  

  

  Cook, 
  C 
  H., 
  on 
  quartz 
  in 
  clay, 
  525*; 
  

   on 
  plasticity 
  of 
  clays, 
  539®. 
  

  

  Cooney 
  & 
  Farrell, 
  brick 
  yard, 
  700®. 
  

  

  Copenhagen 
  biscuit 
  ware, 
  composition, 
  

   796®. 
  

  

  Copper 
  oxid, 
  777®. 
  

  

  Cornell 
  university, 
  New 
  York 
  state 
  

   veterinary 
  college, 
  illus. 
  facing 
  p. 
  

   719. 
  

  

  