﻿940 
  

  

  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  Rectorite, 
  505*. 
  

  

  Refractoriness 
  of 
  clay, 
  511®, 
  526^, 
  563^; 
  

  

  of 
  fire 
  clays, 
  563^-781^ 
  782^-83^; 
  of 
  

  

  glass-pot 
  clays, 
  786^; 
  of 
  stoneware 
  

  

  clays, 
  792^. 
  

   Refractoriness 
  of 
  shale, 
  841^ 
  

   Refractory 
  clay 
  products, 
  639^ 
  783*- 
  

  

  84^ 
  

   Remole, 
  , 
  on 
  color 
  of 
  hard-burned 
  

  

  clays, 
  517^ 
  

   Rensselaer, 
  brick 
  yard, 
  707*; 
  clay 
  de- 
  

   posits, 
  707*. 
  

   Rensselaer 
  county, 
  brick 
  yards, 
  707*, 
  

  

  708*, 
  709«. 
  

   Repressed 
  power 
  brick, 
  illus. 
  facing 
  p. 
  

  

  464. 
  

   Repressing 
  bricks, 
  668*, 
  745*; 
  illus. 
  fac- 
  

   ing 
  p. 
  668, 
  784. 
  

   Residual 
  clays, 
  501^ 
  501®; 
  occurrence, 
  

  

  572^-73==; 
  structure, 
  628S' 
  analysis, 
  

  

  860*-61«. 
  

   Rhinebeck, 
  stratification, 
  587*. 
  

   Rhizomorphs, 
  593*. 
  

   Ries, 
  Heinrich, 
  on 
  terrace 
  altitudes, 
  

  

  590». 
  

   Reisterer, 
  Martin, 
  brick 
  yard, 
  722'^. 
  

   Rigney, 
  Mrs 
  T., 
  brick 
  yard, 
  707*. 
  

   Riley 
  & 
  Clark, 
  brick 
  yards, 
  694^ 
  

   Riley 
  & 
  Rose, 
  brick 
  yard, 
  694^. 
  

   Ring 
  pits, 
  659*-60^; 
  illus, 
  facing 
  p. 
  

  

  659. 
  

   Road 
  materials, 
  clay 
  or 
  shale 
  used 
  for, 
  

  

  853^. 
  

   Roberts, 
  J. 
  B., 
  brick 
  yard, 
  707^ 
  

   Robitzels's 
  Sons 
  pottery 
  works, 
  823'. 
  

   Rochester, 
  brick 
  yards, 
  720^-21*; 
  clay 
  

  

  deposits, 
  720^-21®; 
  pottery 
  works, 
  

  

  824'; 
  sewer 
  pipe 
  manufacture, 
  769®; 
  

  

  shale, 
  828'; 
  stratification, 
  720'. 
  

   Rochester 
  brick 
  and 
  tile 
  co., 
  720'-21'; 
  

  

  illus. 
  facing 
  p. 
  652, 
  660, 
  669, 
  679, 
  

  

  720, 
  773. 
  

   Rock 
  face 
  brick, 
  647^; 
  illus. 
  facing 
  p. 
  

  

  463. 
  

   Rockingham 
  ware, 
  793% 
  814'. 
  

   Rockland 
  county, 
  brick 
  yards, 
  693*- 
  

  

  95'; 
  illus. 
  facing 
  p. 
  693. 
  

   Rockwell, 
  G. 
  A., 
  use 
  of 
  Bischofs 
  

  

  method, 
  558'. 
  

   Roman 
  tile, 
  646*; 
  illus. 
  facing 
  p. 
  463. 
  

   Rome, 
  clay 
  deposits, 
  576% 
  714'-15*; 
  

  

  brick 
  yards, 
  714'-15*. 
  

   Rondout, 
  clay 
  deposits, 
  699"; 
  terrace, 
  

  

  579\ 
  

   Rondout 
  creek 
  delta, 
  577". 
  

   Ronne, 
  Denmark, 
  kaolins, 
  498*. 
  

   Roofing 
  tile, 
  manufacture, 
  765^-66*, 
  

  

  837': 
  illus. 
  facing 
  p. 
  765; 
  properties, 
  

  

  854«-55'; 
  manufacturers, 
  913'-25*. 
  

   Roots, 
  separation 
  from 
  clay, 
  634"^. 
  

   Rose 
  & 
  Co., 
  brick 
  yard, 
  688', 
  698'; 
  illus. 
  

  

  facing 
  p. 
  658, 
  698. 
  

  

  Rose, 
  A., 
  & 
  Co., 
  brick 
  yard, 
  701'. 
  

  

  Rose, 
  H. 
  R., 
  brick 
  yard, 
  702^. 
  

  

  Rosendale, 
  stratification, 
  580'. 
  

  

  Rosendale 
  plains, 
  stratification, 
  580'. 
  

  

  Roseton, 
  clay 
  deposits, 
  581% 
  698'; 
  

   delta 
  deposits, 
  589^; 
  brick 
  yards, 
  

   688', 
  698'; 
  illus. 
  facing 
  p. 
  658, 
  698. 
  

  

  Roseville,' 
  terra 
  cotta 
  clays, 
  759®-60'. 
  

  

  Rough 
  hard 
  bricks, 
  678". 
  

  

  Russia, 
  glass-pot 
  clays, 
  787'. 
  

  

  Rutile, 
  509*. 
  

  

  Ryan, 
  T., 
  terra 
  cotta 
  clays, 
  759®-60'. 
  

  

  Ryder, 
  William, 
  brick 
  yard, 
  704". 
  

  

  Sag 
  Harbor, 
  clay 
  deposits, 
  603'. 
  

  

  Saggers, 
  652', 
  811*-12^ 
  

  

  St 
  Johns 
  ville, 
  brick 
  yard, 
  713^; 
  clay 
  

   deposits, 
  713^; 
  stratification, 
  713^. 
  

  

  St 
  Lawrence 
  county, 
  clay 
  deposits, 
  

   575®; 
  brick 
  yards, 
  710% 
  711% 
  711*- 
  

   12*. 
  

  

  St 
  Louis 
  fire 
  clays, 
  per 
  cent 
  of 
  quartz 
  

   in, 
  525*. 
  

  

  Salina 
  shale, 
  825% 
  829^-30'; 
  illus. 
  fac- 
  

   ing 
  p. 
  830. 
  

  

  Salmon 
  brick, 
  645% 
  677% 
  

  

  Salt 
  group, 
  829*-30'. 
  

  

  Saltpeter, 
  680\ 
  

  

  Salts, 
  512*; 
  in 
  brick 
  clay, 
  639% 
  640% 
  

   680' 
  ; 
  determination 
  of, 
  856®. 
  

  

  Sammis, 
  R., 
  brick 
  yard, 
  736^. 
  

  

  Sand, 
  525% 
  592®; 
  used 
  to 
  prevent 
  

   shrinkage, 
  548^, 
  548'-7-49®; 
  in 
  estuar- 
  

   ies, 
  592-; 
  importance 
  to 
  clay 
  in- 
  

   dustry, 
  629*; 
  in 
  brick 
  clay, 
  637'. 
  

  

  Sandford, 
  C. 
  L., 
  brick 
  yard, 
  736% 
  

  

  Sandrock, 
  582% 
  584^. 
  

  

  Sandstone, 
  582% 
  584% 
  584', 
  587% 
  596% 
  

   597% 
  605'. 
  

  

  Saratoga, 
  brick 
  yards, 
  709^; 
  clay 
  de- 
  

   posits, 
  709\ 
  

  

  Saratoga 
  county, 
  brick 
  yards, 
  708". 
  

  

  Sawdust, 
  used 
  to 
  prevent 
  shrinkage, 
  

   550®. 
  

  

  Sawmill 
  river, 
  delta 
  deposits, 
  588*. 
  

  

  Schenectady, 
  clay 
  deposits, 
  576'; 
  

   teiTace, 
  591'; 
  depression 
  of 
  land, 
  

   591'. 
  

  

  Schenectady 
  county, 
  shale, 
  826'. 
  

  

  Schist, 
  583% 
  584% 
  585% 
  586*. 
  

  

  Schmidt, 
  G. 
  W., 
  brick 
  yard, 
  723% 
  

  

  Schodack 
  terraces, 
  590®. 
  

  

  Schrotterite, 
  505'. 
  

  

  Schultz, 
  C. 
  A., 
  brick 
  yard, 
  699% 
  700*. 
  

  

  Schusler 
  & 
  Co., 
  brick 
  yard, 
  723% 
  

  

  Scorifiers, 
  613% 
  

  

  Scotland, 
  glass-pot 
  clays, 
  787'. 
  

  

  Scove-kiln, 
  674% 
  674*-77% 
  689*; 
  illus. 
  

   facing 
  p. 
  674. 
  

  

  Screens, 
  660'-61% 
  801*-2*. 
  

  

  