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 concerned, they were compiled about fifty years after the death of Paracelsus, and at the time when his fame was at its zenith. Many of the allusions to antimony contained in those treatises might have been collected from the traditions of the master's conversations and writings, much from his immediate disciples, and the whole skilfully blended by a literary artist.

Paracelsus praises highly his magistery of antimony, the essence, the arcanum, the virtue of antimony. Of this, he says, you will find no account in your books of medicine. This is how to prepare it. Take care at the outset that nothing corrupts the antimony; but keep it entire without any change of form. For under this form the arcanum lies concealed. No deadhead must remain, but it must be reduced by a third cohobation into a third nature. Then the arcanum is yielded. Dose, 4 grains taken with quintessence of melissa.

His "Lilium," or tinctura metallorum, given as an alterative and for many complaints, was formulated in a very elaborate way by his disciples, but simplified it consisted of antimony, 4, tin 1, copper 1, melted together in a crucible, the alloy powdered, and combined (in the crucible) with nitre 6, and cream of tartar 6, added gradually. The mixture while still hot was transferred to a matrass containing strong alcohol 32, digested, and filtered.

Besides mercury and antimony, of which he made great use, iron, lead, copper, and arsenic were among the mineral medicines prescribed by him. He made an arseniate of potash by heating arsenic with saltpetre. He had great faith in vitriol, and the spirit which he extracted from it by distillation. This "spirit" he again distilled with alcohol and thereby produced an ethereal solution. His "specificum purgans" was