DOI Page / Citation link:
https://doi.org/10.11588/diglit.19928#0230
Chap. 29. Of Metals. 197
Sublimate half an ounce*, make them severally into
fine powder and mix them: then take three pound
of Copper in thin plates which put into a Crucible
(with the former powderstrattitn faperstratum) to cal-
cine, covering it and lutingit strongly, let it itand in
the Furnace for about eight or ten hours : then take it
out, and ( being cold) break the pot, and fake out
all the matter, and melt it with a violent fire, calling
it into some mold. Then take purged Brass two
pound, of the former metal one pound-, melt them
together, casting in, now and then, some of the afore-
said powder, after which add halfas much of fine Sil-
ver, melting them together, and you have that which
is delired: lastly, to make it as white as Silver, boil it
in Tartar.
XLI. Another way to counterfeit Stiver.
Take purified Tin eight ounces, Quick-silver hals
an ounce, and when it begins to rise in the sirst heat,
take powder of Cantharides, and cast into it, with a
lock of hair, that it may burn in it', being melted put
into it the powder aforesaid, then take it suddenly
from the fire, and let it cool.
XLI I. To purge the Brass.
It is cleansed or purged, by casting into it when it is
melted, broken Glass, Tartar, Sal-Armoniack, and
Salt peter, each of them by turns, by little and little.
XLI II. To tinge Lead os a Gold colour.
Take purged Lead one pound, Sal-Armoniack in
powder one ounce, Salt-peter half an ounce, Sal*Ele-
brot two drachms put all into a Crucible for two
days and it will be throughly tinged.
XLI V. To purge Lead.
Melt it at the fire, then quench it in the sharpest Vi-
negar , melt it again and quench it in the juyce of Ce-
landine : melt it again andqsscnch it in Salt-water:
then
Sublimate half an ounce*, make them severally into
fine powder and mix them: then take three pound
of Copper in thin plates which put into a Crucible
(with the former powderstrattitn faperstratum) to cal-
cine, covering it and lutingit strongly, let it itand in
the Furnace for about eight or ten hours : then take it
out, and ( being cold) break the pot, and fake out
all the matter, and melt it with a violent fire, calling
it into some mold. Then take purged Brass two
pound, of the former metal one pound-, melt them
together, casting in, now and then, some of the afore-
said powder, after which add halfas much of fine Sil-
ver, melting them together, and you have that which
is delired: lastly, to make it as white as Silver, boil it
in Tartar.
XLI. Another way to counterfeit Stiver.
Take purified Tin eight ounces, Quick-silver hals
an ounce, and when it begins to rise in the sirst heat,
take powder of Cantharides, and cast into it, with a
lock of hair, that it may burn in it', being melted put
into it the powder aforesaid, then take it suddenly
from the fire, and let it cool.
XLI I. To purge the Brass.
It is cleansed or purged, by casting into it when it is
melted, broken Glass, Tartar, Sal-Armoniack, and
Salt peter, each of them by turns, by little and little.
XLI II. To tinge Lead os a Gold colour.
Take purged Lead one pound, Sal-Armoniack in
powder one ounce, Salt-peter half an ounce, Sal*Ele-
brot two drachms put all into a Crucible for two
days and it will be throughly tinged.
XLI V. To purge Lead.
Melt it at the fire, then quench it in the sharpest Vi-
negar , melt it again and quench it in the juyce of Ce-
landine : melt it again andqsscnch it in Salt-water:
then