History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t12.4
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t12.4
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v1.c13.s2.t12.4
(iii) Bhadra iron - 10 times better than Kalinga iron.