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)

Chap. 2 8. Of Mineral Colours. 185
Lixiviate Salts an Orange 'tawny- And if on a siltrated
soliation of Vitriol, you put the solution oi a. sixed sait,
there will sublide a copious substance far from white-
ness, which Chymirts call the Sulphur of Vitriol.
VI. Is Copper two ounces be mixed with Tin one
ounce, the reddishness will vanilh: and if Arsenick
( calcined with Nitre) in a just proportion be mixed"
with melted Copper, it will be blanched both within
and without. *
VII. Fine powders of blew Bice, and yellow Orpi-
ment, ssightly mixed, give a good green : and a high
yellow solution of good Gold in Aqua regia, mixed
with a due quantity of a deep blew solution of crude
Copper in strong (pirit of Urine, produces ztranspa-
rent green : And so blew and yellow Amel fused toge-
ther in the flame os a Lamp, being strongly blowed
on without ceasing, produces at length a green colour.
VIII. An urinous sait, largely put into the dissolu-
tion of blew Vitriol in fair water, turnM the liquor
and corpusclesC which resuted ) into a yellowish co-
lour like yellow Oker.
IX. Verdegriese ground with sait Armdniackzrid
the like sdigested sor a while in a dunghilj makes a
gloriour blew..
X. The true glass of Antimony extracted with acid
spirits (with or without Wine) yields a red tin-
drure.
XI. Balsom of Sulphur ( os a deep red in the glass)
shaked about, or d ropt on paper gives a yellow stain.
XII. IfBrimstone and Sal-Arnioniac}{\njpowdcr->o£
each five ounces, be mixed with quick-lime in pow-
der six ounces, and distilledin a Retort in sand by de-
grees • you will have a volatil spirit of Sulphur of ex-
cellent redness, though none of the ingredients be Co,
5o also oyl os Annijeeds mixed with oyl os?Vitriolgives
N h