T 
h 
tldnsoru. 
. Trcurhs . 188B. A. Phjjte, 18. 
XXVIIL 
?7hitwortK’s Hard Steel. 
Cvurvo^XXlX. 
674 to 664'C. 
Cuj've.XKX. 
Gurvt- XKXl. 
TarpT 657 bo sere. 
Ciscrvo Mill 
0 10 20 30 
0 5 1-0 16 
(kurve, XZXIIL 
Temp^ 534 to 511'C. 
Ik. 
i- Cthtli. 
