points in the Manufacture of Malleable Iron. 271 
Il. Casting No.1. After first annealing, 
Ae 2. 
Average 
Silico 40 436 38 
Phosphorus, 323 “330 327 
Manganese, 5 585 
Sulphur, 062 072 "067 
Total Carbon, 1°58 1:49 1°51 
Il. Casting No.1. After second annealing. 
5. Average 
1 : 447 451 “449 
Phosphorus, 31 "32 “315 
Manganese, 51 *b4 525 
Iphur, 086 081 "083 
Total Carbon, below 0°10 per cent. 
IV. Casting No.2. Before annealing. 
E 2. 
me Average 
Silicon, 59 58 ‘585 
Phosphorus, *29 27 280 
Manganese, 55 62 585 
Sulphur, ‘d “10 ‘105 
Total Carbon, 3°50 3°43 3°48 
V. Casting No.2. After first annealing. 
i. 2. verage. 
ilicon 16 612 “614 
Phosphorus, -290 291 290 
Manganese, 619 ‘613 616 
ulphur, 152 “143 “147 
Total Carbon, “48 eel 43 
VI. Casting No.2. After second annealing. 
Z. 2. Tage. 
ilicon, 15 613 “614 
Phosphorus, -29 30 -295 
Manganese, 59 56 575 
Sulphur, 161 1638 162 
a From the above analyses the following conclusions may be 
Tawn; first, that the silicon, phosphorus and manganese are 
h th 
— castings before annealing, containing 3} per cent of com- 
med carbon, showed, on breaking. a white fracture, and were 
