Analysis of various Kinds of Pit-Coat. . 143 



fore subjoined the analysis of a Cancel coal found la. the 



same section of strata as the Alfreton furnace coal. 



Derby ski re Cannel Coal. 

 Specific gravity 1*278. Component parts. 



Volatile matter - 47*000 



Carbon - ' 48362 



Ashes reddish-brown colour 4-63 S 



100 parts* 



Kilkenny Stone Coal. 

 Specific gravity rf!02. Component parts, 



Water and a little hydrogen 4*250 

 Carbon - '- 92*877 



Ash of a clay-brown colour 2*873 



100 parts 



Stone Coal found under Basalt, in Scotland. 



Water Jind hydrogen - 16*660 



Carbon -- - 69*740 



Ashes - - 13-600 



100 parts. 



Kilkenny Slaty or Cannel Coal. 

 Specific gravity 1*445. Component parts, 



Matter volatilized in dark-gray flame 13*000 

 Carbon - - - 80*475 



Ashes - - - 6*525 



100 parts. 



Cannel Coal from Lismahago, in Scotland, 

 Component parts, 



Bituminous matter - 56*5700 



Carbon - - 30*4300 



Ashes - - 4*0000 



100 parts. 



Stone 



