NEW SOUTH WALES COALS. 201 
TABLE ITI. 
SouTHERN District CoALs, 
Proximate Constituents. 
Volatile} ,,-. 
Name of Colliery. Loss at | pydro- | Fixed | ash. |sulphur| Sp. gr.| Coke. 
100°C. serbian: Carbon. 
Nattai. 8-2 87°96 4 a 87 
Mount Keira 115 23°51 64°65 9°70 99 1°379 74°35 
Se en eee 1°70 32°78 53°84 | [10°40 1-28 1°364 24 
Mount Kembla... ............ 150} 19°74] 67°18| 10° 86; 1 none 
Bulli (R. ED ising cca 1-03 61°61 131 54 1-471 74°78 
In order that an opinion may be formed with regard to the coals 
ace. 
On this account a kind of coal called ‘ brasils,’ which occurs in the 
middle of the Tenyard coal in South Staffordshire, is preferred for 
reverberatory furnaces some smelters in Birmingham.”* 
Neither must the quality or chemical composition of the ash be 
Percentage of Ash. 
Minimum. Mean. Maximum. 
Northern Coal-fields of 2-10 ‘aes wit 
seven —. sah 
Sing a boa ee 8°94 10.44 12-91 
aR 
Southern Coalfields of a 
five samples........... 9°70 10-99 3:17 
