METALLURGICAL METHODS AT BROKEN HILL. 
Samples of Charges on Furnaces in lb. Nos. 1 to 8. 
Carb. | Flue ___ |Silicious | Crude Tron- | Lime- 
No. Lead Ore.} Dust. Kaolin. ae phide Iron Ore stone. | stone. Coke. 
1 150 300 | 150 | 25 ‘ 75 890 125 
2 150 175 225 | 25 ah 125 390 125 
3? 150 275 lia) | 25 aos 75 300 125 
4 150 250 200 | 25 459 50 300 125 
5 150 aoe Papa) 200 | 25 25 is 300 125 
6 | 125 | 25 | 300 | 150 | 25 |195 | ... | 250 | 195 
7 150 Aan 250 lyf; 25 125 Has 275 125 
8 175 250 100 | 43) 175 275 125 
Leaving the coke out, these figures add to 1,000 lb. in each case ; 
the weight and charge is always kept. 
No. Pb. vA 
1 2°25 
2 4:00 
3 Da) 
4 2°75 
5 2:25 
6 1:50 
a 4:5 
8 4:25 
9 15 
10 S305: 
11 3°25 
12 My) 
13 3:0 
14 6:5 
15 15) 
16 125 
No. | Kaolin. 
9 125 
10 125 
il 100 
12 125 
13 125 
14 125 
15 125 
16 100 
T 
Slag analysis on morning following. 
SOHCOHPHP OHNE NH WHE 
PORDONOROAS~ IFA BBD 
Silicious 
Tron. 
si oO, Fe. %. Mn. %. 
42°0 12°7 12°8 
36°8 10:2 14°0 
45:2 9°4 70 
46°8 LOS, 6:2 
39°6 140 8:0 
40°8 9°6 10°0 
38:0 10°0 11°0 
39°4 105 10°8 
34°5 15:2 7°83 
28°5 19°5 7:0 
34°8 15°4 78 
34°0 14:0 79 
31°6 20°8 7:0 
29°6 23°4 6:0 
S20 15:0 82 
34°2 16°4 (ol 
Ore Charges, 9 to 16. 
Crude Tron Tron- Lime- 
Sulphide.| Ore. stone. stone. 
325 150 225 
325 He 250 175 
aoe 50 abe 225 
Somos, ||, -1a0 225 
ae | 250 175 
325 | 250 175 
325 150 275 
ae 100 225 
Ca.0 % 
sere 
eee 
Seeeee 
veenee 
Sulph. 
Concen. 
VANES 
CC: Sa COU Ou Oem 2) 8 shel isl t=) ie 
PS Crore eyes Se 2 Pc 
| 
| Slag. 
100 
100 
100 
100 
100 
100 
100 
100 
Dip 
Assay, 
Silver 
oz. 
586 
340 
520 
436 
484 
220 
Coke. 
