Minerals and Metals in Ancient India v2.c49.105
Minerals and Metals in Ancient India v2.c49.105
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v2.c49.105
Copper and other sulphide minerals were purified (*Pūta*) in the furnace which produced foul (*Pūti*) smell (*Gahdha*) of sulphur dioxide. Thus furnace is *Pūtigandhi*.