History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.139
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.139
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v1.c13.s2.t4.139
| Operation | Time | Coal charged | Blowing Rate |
| 1 | Furnace Pre-heating | 1 hr | 8 kg | Faster than 87 strokes/min |
| 2 | Reduction stage | 4 hrs | 14 kg | 87 strokes/min |
| 3 | Consolidation stage | 1 hr | 8 kg | Vigorous blowing |