History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c25.s3.t1.22
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c25.s3.t1.22
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v1.c25.s3.t1.22
(ii) Fire-heat rarely employed for fermentation.