ON PUDDLING IRON. 65 
air enters through a corresponding “ air-reversing valve,” behind the valve, 
_ p 
Um ro 
uy, ; oo 
Noy re 
= J po Fy 
Cy 
NTT uy 
"Wim 
WLM MM 
Ws) 
a 
89s SIA A 
Fig. 2.—Front Elevation of Puddling-Furnace. Seale 3; inch to a foot. 
B’ (fig. 2), and passes thence through the flue, n, into the regenerator cham- 
ber, = (fig. 3). 
Tae YYy 
Yyy ULL YL 
Z YY 
aay 
SS 
WOK 
LWO 
=] 
DESO 
Ss L VMs 
Si SSS SSS SS SSS SSSSsx_ss 
SEEM "(Fl .".. BWW Wve 
Fig. 5.—Longitudin n at A, B, C, D (fig. 4). 
NN 
WK 
Z 
Z| 
