Minerals and Metals in Ancient India v1.c18.s2.8

v1.c18.s2.8

Thus, it appears that the ancient Indian copper smelting furnace was a small, crucible-shaped, clay-walled, slag-tapping furnace worked on forced draught blown into it from bellows. It was a composite structure made of three moulded segments, set up on a brick platform and was surrounded with bricks and earth to keep the three segments of the furnace tightly in position and also to conserve the heat within the furnace.