| p. 41[Sal alcali]
Then Rx[recipe]of the best Zink Grey
Tutty aa + the [t?]of a walnut
of Venetian Borax, mix [t?] life into the
Crucible wet will immediately crakle, begun
will have a light yellow Matter with a
yellow Flame rise up, when this is by degrees
gone off + well worked. Stir
the [shaves?] well with an iron wire
till it is burnt + the Copper remains very
hot in the Flux, Pour it into an Ingot
well smeared with wax, [kyear?] may [Zoin?]
mer it + draw it to wire, + it will work
look like the best Gold.
NB This is given in the
School of Arts under the name of
Aurum sophisticum | p. 41[Sal alcali]
Then Rx[recipe]of the best Zink Grey
Tutty aa + the [tttt ?]of a walnut
of Venetian Borax, mix [tttt?] life into the
Crucible wet will immediately crakle, begun
will have a light yellow Matter with a
yellow Flame rise up, when this is by degrees
gone off + well worked. Stir
the [shaves?] well with an iron wire
till it is burnt + the Copper remains very
hot in the Flux, Pour it into an Ingot
well smeared with wax, [kyear?] may [Zoin?]
mer it + draw it to wire, + it will work
look like the best Gold.
NB This is given in the
School of Arts under the name of
Aurum sophisticum |