Minerals and Metals in Ancient India v1.c29.s5.48
Minerals and Metals in Ancient India v1.c29.s5.48
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v1.c29.s5.48
Ill. 1.26 Copper Refining Furnace at Khetri
Minerals and Metals in Ancient India v1.c29.s5.48
Ill. 1.26 Copper Refining Furnace at Khetri