History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c17.s3.4

c17.s3.4

Sri Bhairava said: "The *rasas* (mercury and some important minerals) and *uparasas* (inferior minerals), the metals, a piece of cloth, *vidam* (preparation for killing metals), a pair of bellows, iron implements, stone pestles and mortars, the apparatus known as *koshti*, mouth blow-pipe, cow-dung, substantial wood (as fuel), various kinds of earthen apparatus (e g. crucibles, etc), a pair of tongs, earthen and iron vessels, weights and balances, bamboo and iron pipes, the salts and the alkalies, the poisons—all these are to be collected and chemical operations begun". (*cf.* Rasaratnakara.)