132

EXPOSITION  AT  VIENNA.

China  Clay—England.
The  following  tabular  statemeut  shows  the  extent  of  the
production  of  China  stone  and  China  clay  in  Cornwall,  for
a  series  of  years*  :—

Shipments  of  China  Clay  and  China  Stone  from  Cornwall,  England.

YE  AR.

Kaolin  (China  Clay).

China  Stone.

St.  Agiles  Clay.

1865,
1866,
1867,
1868,
1869,
1870,
1871,

97,750
105,000
127,000
100,000
105,700
110,520
125,000

25.500
35,000
33.500
29,000
28.500
32.500
33,000

1,566
1,524
1,316
979
875
946
774

.  At  St.  Agnes  there  were  also,  in  1871,  abont  four  hundred ­
  tons  produced  for  candle-clay,  used  in  the  mines  for
supporting  the  candles.
In  Devonshire,  19,000  tons  were  produced,  in  1871,  at
the  Lee  Moor,  and  other  china-works,  and  47,639  tons  of
pipe  and  potter’s  clay  were  shipped  at  Teignmouth,  the
production  of  Newton  and  neighborhood.  Of  a  total  of
57,670  tons  exported  from  Poole,  Devonshire,  in  1871,  the
greater  portion  was  sent  to  London  and  Euncorn,  and  to
Quebec  200  tons.
Of  potter’s  material  (clay,  flint,  chert,  etc.)  there  were
imported  into  the  potteries  by  Trent  and  Mersey  navigation,
  144,588  tons,  and  by  the  North  Staffordshire  Eailway,
  clay,  flint,  chert,  etc.,  11,345  tons.
The  demaud  for  porcelain  clays  sustains  a  very  considerable
  mining  iudustry  in  Cornwall  and  Devonshire.  The
official  mineral  statistics  of  the  United  Kingdom  contain
a  list  of  no  less  than  one  hundred  and  five  separate  clayworks
  in  Cornwall,  seven  in  Devonshire  for  porcelain  clay,
Ave  of  "Teignmouth  clay,”  and  six  of  "Poole  clay.”  In
Staffordshire  there  are  nineteen  works  producing  Stour-*

  Compiled  from  Hunt’s  Mineral  Statistics  of  Great  Britain.