Universitätsbibliothek HeidelbergUniversitätsbibliothek Heidelberg
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Salmon, William
Polygraphice: Or, The Arts of Drawing, Engraving, Etching, Limning, Painting, Washing, Varnishing, Gilding, Colouring, Dying, Beautifying and Perfuming: In Four Books ... To which is added A Discourse of Perspective and Chiromancy — London, 1675

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https://doi.org/10.11588/diglit.19928#0407
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i7A ^olygrtyhkes* Lib.-4;
through the holes, as they lie in the mould with a Gi-
ver needle: being quite dry, take them out, put them
into a glass clole covered in the Sun, till they be quite
dry , then put them upon a silver wire i and let them
lye covered in their own fat■> (that is that fatty sub-
srance, which swims on the top of the menstruuna
in their dissblution ) Co long till they are very fair,
then being itrung, put them into a glass egg, and let
them stand nine days in digestion, and they will be as
fair as the natural.
xv. Ihc sisteenth may. Take Tobaccopipe clay,
of which form little beads ( by Sect. 14.) dry them
in the Sun, and burn them in a potters furnace^ then
cover them with Bole-Armoniack, tempred with
whites of eggs \ being dry, dip them in water, lay
on leaf silver, which dry again, and polish them with'
a tooth : then take clean shavings of parchment, cut
small, and warned well with warm water •, boil them
in a new pot, with a How fire, till they become some-
what thick, rtrain it, and being warm, put in the pearl
upon a needle or sine wire, that the hole may not be
(topped, take them out, turn them round, that the
water or glew may not settle in one place, dipping
them so often ( drying them every time) till they be
thick enough, and they will appear full as fair as the
truly natural.
XVI T'hesmtentbv&ay, Take the impalpable and
snow-white calx of Talk, and with our best Verniih
make a pall •, of which form pearls, and bore them
with a silver wire, on which let them dry : this done
make a mixture of the Alchool of the incomparably
pure red diaphoretick mercury,calx of talk aforssaid,
(hell gold and silver ( in Lib. 2. Chap. 21. Seft- I. )
in a just and due proportion ( as by many tryals you
may find out) in which iouI your pearls till they be
21 j
 
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