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)

174 Poiygraphices. Lib.3.
they are well dissolved. When you use it, use it hot.
Ill Another sor the same*
Take Olibanum and gum-Sandrack in powder,
which mingle with Venice Turpentine, melting and
incorporating them JQill over a gentle fire; then strain
it hot.
When you use it let it be hot? and your Varnishwill
Jhine well "■> it dries immediately'
IV. Another sor the same.
Take oyl of Linseed, which distill in a glass Re-
tort, one ounce, fair Amber dissolved three ounces,
mix them over a ssow fire, and it is done.
V. A very good Varnijhfor Gold> Silver? Brass? Iron?
Stone, Wood, Vellom, er Paper.
Take Benjamin ( made into fine powder between
twopapersjput it into a vial, and cover it with Spirit
of Wine four ringers above it, and let it stand three
or four daysi then strain it, and it will be bright and
shining, drying immediately, and retaining its bright-
ness many years.
If you Vamijh Gold, or any thing gilded^ before the
slraimng you should pit in a sew blades os Sassron sor co-
lour sake : but is Silver or any thing white? yon aught to
use the white part of the Benjamin only.
VI. A Far nip particularly sor Gold, Silver? 'sin? or
Copper.
Take Linseed oyl six ounces, Mastick, AloesEpa-
tick of each one ounce ? put the gums in powder into
the oy l, into a glazed earthen pot, which cover with
another,luting them together, in the bottom of which,
let be a hole, wherein to put a small slick with a broad
end to stir withal •, cover them all over with clay, (^ex-
cept the hole; set it over the fire, and stir it as often
as it seetheth for a little while, then strain it for use.
First let the metal be pclimed, then strikeit over with
this varnish. VII. A