History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.106
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.106
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v1.c13.s2.t4.106
*(IV.3) Extraction of Iron from Biotite by Ayurvedic Method*