. n a ell 
* jg t ; . 
» for the Smelting of Iron with Anthracite. 79 
boilers extending to the bank against which the structure stands. 
hen the convenience of a bank or hill cannot be had, it is evi- 
dent that both the boilers and oven might i ‘placed on or near 
‘the ground, if the chimney-were sufficiently high, yet less than 
_ seventy feet,) and: the walls built so as to be free om crevices. 
guptgen 
jl 
ss casa and there are others along the sides for the 
pose. The boilers are usually placed in contact with 
eC Sasa. Noesdink sda ios These doors open into 
same: pur 
r the iaieariA x the Pes y da ich omeue to the ie a. is 
Opie ee me went vay ihe. — ek 
