History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.152
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.152
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v1.c13.s2.t4.152
Varahamihira (550 A.D.) (Ray, 1956) has mentioned the following processes for carburization and hardening of iron swords: