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The process of Killing copper and making silver.
(5) Make a thorn-piercing leaf of copper. Put it into a crucible and melt it. Put 1 tola of the essence just as before said. Next, melt it and quench it. There becomes silver of 21 carats certainly.
(6) Fry or roast (bhadatha) oxide of arsenic țā 5 into three branches of Euphorbia nivuiia (or nerifolia), give powder of wheat 21 times over it. Give cowdung over it. Put the standing branch into the fire; place dry wild cowdung cakes on all sides. Like this turn it round. Next make ash of Keli 5 srs (Musa sapientum), make water of khāra, salt or ashes and boil (melt) it. Pour it into an earthen vessel and put a ripe brinjal; give a piece of seal into the mouth. After that, place it in a Dolikāyantra and (heat il) till the water of ashes gets burnt up (dried up). Then take it out. Next bring gudasari (piece of Ipomea aquatika ?) (Nalini of Chali). Make a hole into it and put oxide of arsenic into it. Give powder (of wheat) and cowdung to it. Give chānā (dry wild cakes) on all sides. Next the essence is accoplished.
Now the process of purifying Copper :
(7) Take mercury, oxide of arsenic, alum and godanti orpiment. Make copper purified, what does the famine do ?.
(8) Like this wash (purify) copper and give 1 vāla of Somala (oxide of arsenic) into 1 tola of copper and quench the combination into alum. Combine silver with it. There becomes Jotakam (good pieces ?)
(9) Give cāyā (drops) of pueraria tuberosa, Phyllanthus niruri and white (Trianthema portulacastrum.) to tin. Silver.
(9x) Make tablet (or lump) of lead & sr. and rub it in the juice of Kuba (lotus ?) 21 times; next rub it in the juice of Kesur (Butea Frondosa) 21 times; the essence is accomplished. Mix 1 māsā of the essence into 1 tola of copper. (There becomes) gold.
(10) Make lime of oyster shell (sipano), mix a little mineral calamine into it, and mix lead into it as said before. Give 30 gajaputas (to the combination). Mix the essence māsā 1 into copper tola 1. (There beeomes gold.)
Make a leaf of brass țā. 5, combine together the juice of Butea frondosa and that of citrus lemon and rub hamsapaka cinnabar tā 3, salammonica (nave) ţa-f and mercury by combining them together, smear the
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