﻿CLAYS 
  OF 
  NEW 
  YORK 
  

  

  THEIR 
  PROPERTIES 
  AND 
  USES 
  

  

  PKEFACE 
  

  

  The 
  folloA\ing 
  report 
  is 
  an 
  enlargement 
  of 
  one 
  prepared 
  by 
  the 
  

   writer 
  in 
  1895, 
  which 
  was 
  published 
  as 
  Bulletin 
  no. 
  12 
  of 
  the 
  Xew 
  

   York 
  state 
  mnsenm, 
  and 
  is 
  made 
  necessary 
  by 
  the 
  increased 
  de- 
  

   velopment 
  of 
  the 
  !^ew 
  York 
  clay-working 
  industries, 
  as 
  well 
  as 
  by 
  

   an 
  increased 
  knowledge 
  of 
  the 
  properties 
  and 
  technology 
  of 
  the 
  

   different 
  yarieties 
  of 
  clay. 
  

  

  While 
  j)ortions 
  of 
  the 
  original 
  report 
  have 
  been 
  allowed 
  to 
  stand 
  

   as 
  first 
  published, 
  the 
  gTeater 
  part 
  has 
  been 
  rewritten 
  and 
  many 
  addi- 
  

   tional 
  data 
  have 
  been 
  incorporated. 
  

  

  j^ew 
  York 
  is 
  not 
  the 
  leading 
  state 
  in 
  manufacture 
  of 
  clay 
  

   products, 
  but 
  its 
  output 
  is 
  by 
  no 
  means 
  small, 
  as 
  can 
  be 
  seen 
  from 
  

   the 
  following 
  figures 
  issued 
  by 
  the 
  U. 
  S. 
  geological 
  survey 
  for 
  the 
  

   year 
  1898. 
  

  

  Value 
  of 
  output 
  

  

  Common 
  brick 
  = 
  . 
  $4 
  381 
  257 
  

  

  Pressed 
  brick 
  260 
  135 
  

  

  Paving 
  brick 
  302 
  680 
  

  

  Ornamental 
  brick 
  8 
  665 
  

  

  Fire 
  brick 
  386 
  624 
  

  

  Drain 
  tile 
  74 
  072 
  

  

  Sewer 
  pipe 
  89 
  224 
  

  

  Terra 
  cotta 
  367 
  854 
  

  

  Fireproofing 
  87 
  152 
  

  

  Tile 
  (not 
  for 
  drains) 
  83 
  910 
  

  

  Pottery 
  44 
  556 
  

  

  Miscellaneous 
  262 
  860 
  

  

  $6 
  448 
  989 
  

  

  