196 NEW SOUTH WALES COALS. 
Ash.—Loose, brilliant white colour. 
Dried at 100° C. 
Ultimate Analysis. 
mn 78°82 
Hydrogen 517 
ygen 3°87 
Sulphur 1:00 
Nitrogen 1:33 
oe 9°81 
100°00 
Calculated calorific intensity, 7,983. 
According to experiments with the calorimeter, 1 Ib. of He 
coal would convert 12°92 lbs. of water into steam. 
Analysis of Ash. 
Silica ... on roe a nics ws SOO 
Iron sesquioxide ... Sys wa ... traces 
Manganese ... et ia pa ... absent 
Magnesia... ae at ie cia a 
Potash 10 
Soda wee eee ee eee 
pr al ata si nis ane ... absent 
Su peat +o eve tee see ” 
100°00 
This ash practically answers to the formula Al,O; 2 Sid, 
BERRIMA. 3 
A good firm coal, but more tender than the others. The bright 
ayers present in fair proportion. 
Specific gravity, 1:364. 
Proximate Analysis. 
Moi ie 
Volatile h dro-carbons ic S28 © 
Fixed ca: ae a 5385 | Coke, 64:24 per eB” 
Ash ee ae 10°40 
Sulphur 1:28 
— 
Coke.—Bright and lustrous ; very much ‘uch swollen up. 
Ash.—White. 
Dried at 100° C. 
