this wonderful Metallick Transmutation
was spread all over our
Hague; whence many illustrious
men, and lovers of Art, made hast
to me, among which, by name,
the General Examiner of the Moneys
of this Province of Holland,
D^n Porelius, came to me, with certain
other most illustrious men,
earnestly desiring, that I would
communicate to them some small
particle of my Artificial Gold, to
prove it by legitimate Examens:
these, for their curiosity sake, I willingly
gratified; and we went together
to the house of a certain
very curious Silver-Smith, by
name Brechtelius, in whose Workhouse,
the Excellency of my Gold
was evidenced, by that form of
Probation, which Skilful Artists
call. Quarta, viz. when they in a
Crucible melt three or four parts
or Silver, with one part of Gold,
and then by hammering, reduce
that mixture into thin Plates, on
which they pour a sufficient quantity
of Aquafortis, by which the
Silver is dissolved, but the Gold
settles to the bottome, like a black