History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.147
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.147
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v1.c13.s2.t4.147
i) Increasing the carbon content of the hot sponge inside the smelting furnace by raising the furnace temperature and the retention time of the hot sponge for a slightly longer period.