NEW SOUTH WALES COALS. 197 
Ultimate Analysis. 
Carbon i <i we ae 69°92 
Hydrogen 4°55 
en 13°09 
SS) tte 1:30 
Nitrogen 56 
Aah... 10°58 
z 
Es 
Calculated calorific intensity, 6,653. 
ccording to experiments with the calorimeter, 1 Ib. of this 
coal would convert 11-82 Ibs. of water into steam. 
eat of Ash. 
Silica ... ar ae a ss 67°45 
umina Ss ie «ek ok ae 
— sesquio oxide “a ae si = 
anganese rotoxide iat a Pig " 
Lim mip ® wet de ia 15 
Peteade ee “24 
te ie és 18 
foo ang acid a trace 
phuric ,, (SO,) “06 
100°00 
NatTal. 
A hard, compact, lustrous anthracitic coal, slightly stained in 
parts with i iron oxide, which looks as if it had been derived from 
p aD coals ‘ni rally occur in se yea pcre the ge 
measures have been more or less disturbed or changed, i.e 
Places where there is considerable contortion of ‘es strata, "Sa 
where there are intrusive metamorphic or igneous rocks. 
wee. this particular specimen came from a portion of a seam 
ch had been affected by one of the intrusions occurring in the 
Proximate Sioa 
Loss at 100° C. _ a) 3 
Vola e le hydro-carbons oe sa a 
1X nls one a Coke. 92°375 r 
eee a ae .. <a0 
Sulphur we brace 
