p. 41

OverviewTranscribeVersionsHelp

Facsimile

Transcription

Status: Needs Review

[Sal alcali] [sic]
Then Rx [recipe] of the best Zink ʒ [dram] iiii [4]
Tutty aa + the [t?]of a walnut
of Venetian Borax, mix & throw these into the
Crucible, & it will immediately crackle, & you
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, +you may ham
mer it + draw it to wire, + it will work +
look like the best Gold.

NB This is exactly given in the
School of Arts under the name of
Aurum sophisticum_ Pag:35.t.sol

[double line]

Notes and Questions

Please sign in to write a note for this page

Kareobl

Aurum sophisticum mimics gold for japanning wood etc.

Kareobl

Sal alkali is an alkaline carbonate.