My Process is such.
TAke ℥ij. of ☽, make an Amalgama of it with Mercury by A. F. as you know, wash this Amalgama very well in se∣veral waters, then press out so much ☿, that there remain but ℥iiij. of it with the ☽ which maketh ℥vj. in all. Add to it ℥vj. of good red Precipitate, and grind all to an impal∣pable Powder; which put into a Matrass, and digest it with a gentle heat in Sand, so that the ☿ do not Sublime, but that it may Calcine the ☽ and leave it in Powder, for ••f you give too great a heat, it will reduce ••he ☽ into a Body.
After three days Digestion, take out your Powder, and grind it as before, so that if there be yet any quick ☿ it may be morti∣fied. Digest it again as before, and with ••he same degree of heat for three days more; ••hen take it out and grind it again, then di∣gest it only for two days by four degrees of heat, which you must change every two ••ours, to the end, that by the last degree of