had found a prince with the control of a mint whom I could trust. Your
character enables me to confide in you. However, we will come to the
point.

"You must take four ounces of good silver, dissolve in aqua fortis,
precipitate secundum artem with copper, then wash in lukewarm water to
separate the acids; dry, mix with half an ounce of sal ammoniac, and
place in a suitable vessel. Afterwards you must take a pound of alum, a
pound of Hungary crystals, four ounces of verdigris, four ounces of
cinnabar, and two ounces of sulphur. Pulverise and mix, and place in a
retort of such size that the above matters will only half fill it. This
retort must be placed over a furnace with four draughts, for the heat
must be raised to the fourth degree. At first your fire must be slow so
as to extract the gross phlegm of the matter, and when the spirit begins
to appear, place the receiver under the retort, and Luna with the
ammoniac salts will appear in it. All the joinings must be luted with the
Philosophical Luting, and as the spirit comes, so regulate your furnace,
but do not let it pass the third degree of heat.

"So soon as the sublimation begins then boldly open your forth vent, but
take heed that that which is sublimed pass not into the receiver where is
your Luna, and so you must shut, the mouth of the retort closely, and
keep it so for twenty-four hours, and then take off your fastenings, and
allow the distillation to go on. Then you must increase your fire so that
the spirits may pass, over, until the matter in the retort is quite
desiccated. After this operation has been performed three times, then you
shall see, the gold appear in the retort. Then draw it forth and melt it,
adding your corpus perfectum. Melt with it two ounces of gold, then lay
it in water, and you shall find four ounces of pure gold.