346 Anthracite Coal of Pennsylvania. 
‘on the whole very unimportant. This anthracite is evidently 
substantially the same thing at Mount Carbon, Mauch Chunk, 
or at Wilkesbarre. ‘. 
_ “We have used the Lehigh coal in our cupola, and after 
an experience of two years, we find that by using one bushel 
of Lehigh coal to five bushels of charcoal, we can melt dou- 
ble the quantity of iron in the same time—for instance, where 
we formerly melted SATE te hundred weight of iron in our 
now melt fifty hundred hy So By using charcoal exclu- 
carious to run by cupola, we now by using Lehigh coal ca 
gray. : 
City Foundry, Phila. May 26, 1824. CAD. & O. EVANS. © 
“ This certifies that having used the Lehigh coal for some 
time past, and fairly tested its qualities, we do not hesitate to 
‘state, that itis, for use in a Cupola Furnace, entitled to a de- 
cided preference over any kind of fuel we are acquainted 
with, as it regards economy, and that the iron is not injur 
but, on the contrary, rather improved in quality.2* — 
(Si 
ROBERT M’QUEEN, and others. _ 
**T have used Lehigh coal for melting copper and brass, 
for the last two years, and give it the preference to any other 
I eo 
uel. , oe ; 
*‘ ] consider common pine coal a nuisance in a brass foun- . 
der’s shop for melting metal.” -— cre egliet meet secs. 4 
me CHARLES GREEN, _ 
Philada. May 14th, 1824. Brass Founder, No. 54, New-street 
_ We, James and Joseph Whitaker, proprietors of the 
elaware rolling mills, have used Lehigh coal for rolling our 
fron for nearly three years, and find it so much superior to all 
other species of fuel which we have ever used, that we would, 
now that our workmen are accustomed to and prefer it, rather r i 
pay thirty cents per bushel for it, than get Richmond or Liv- 
erpool coal for nothing.’? eee 
si, EMA Alay 2A, 10 og & WHA 
Sa 
