History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c35.1
History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c35.1
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c35.1
Earth which is heavy and of a pale colour, sugar or earth from an ant-hill, or earth which has been mixed with the burnt husks of paddy, fibres of the hemp plant, charcoal and horse-dung pounded in an iron mortar, and also rust of iron, are to be recommended for crucible-making. 5-6