History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c16.s6.1
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c16.s6.1
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v1.c16.s6.1
(i) From the Harappan period onwards copper (both in cupric and cuprous form) has been used to obtain various shades of blue, green and opaque red in conjunction with iron.