= “0 Sp oe ah ee ee — 
dnihracite Coal of Pennsyloama, 345 
aided by the all-conquering power of steam, will soon diffuse 
it over every portion of our territory, where it can be usefully 
and economically employed. Those persons who 
..... bituminous coal for parlour grates, will find it useful to add 
“charcoal to:the coak or cinder as it is commonly called; viz. 
‘the dead’mass which remains after the bitumen and gas are 
-burned off. The charcoal will reignite this residuum, w 
is-really the purer carbonaceous portion of the bituminous 
coal; approaching more nearly than before, to the usual 
condition of the anthracite ; and a very serious addition will be 
oe ‘ to the heat of the apartmentand to the economy of 
the fue 
Tt will probably be found useful to burn, occasionally, the 
bituminous coal \in the parlour grates along with the anthra- 
cites, thus. combining the activity and quickness of the former 
with the durability and intenseness of the latter. ‘Those who 
rely upon the anthracite ates will probably find it useful to 
furnish:themselves with both the Lehigh cod. Schuylkill ceal. 
T have found them, when mixed, to burn in a very desirable 
manner, but I have tried them.in the hall furnace only, and 
mot in the parlour grate. Our cities are however now be- 
coming very well informed in regard to the use of the anthra- 
ites, which are coming more and more into use, especially in 
New York and Philadelphia. 
The extension of the use of our mineral fuel as a substitute 
foro ur forest-trees, (which are destroyed with thoughtless 
prodgaiak: being one of great national inter rest, ] shall fin- 
ash this relative tothe 
“ase of the Lehigh coal in the arts. The citations will be 
made from a — which although compiled to ya 
the-sale of the fuel, c 
respectable mechanics and heads of manufacturin, — 
lishments. ‘The pamphlet contains some remarks 
tations incommon with that from which quotations were aad 
in Vol. IV. of this Journal ; these will be omitted, and such 
only introduced as appear to be in addition to those before 
It iL be observed that all these documents relate to the 
Kind re coal ; we have seen no ee nted pgm of this 
m oa to ‘ee Beats of the e Pennsylvania aalhreenes | as 
Le A 
