( 6 9 ° )
y. Orpiment, a fat inflammable Mineral, justly ranked amongst Poysons forits extream Corrosive Quiality. Pliny fays, it was dug up in Syria on theSurface of the and that theEmperor Caligula had hopes of getting Gold
out of it; wherefore he causcd 14 Pounds ot it tobe tryed, which affordedhim very good Gold, but in so finali a Proportion that he Lost by the Trial.
6 . Umber is a Native Earth.
7. Rcd-Lcad, a Coiour unknown to the Ancients, made of Litharge orburnt Lead by a Rcverbcratory Calcination, or oi Ceru/e put in a Platter overthe Fire, which must be continually stirred till it has aequired a [{cd-Lead Co-iour. Dr.Charleton de Fes
8. Burnt Okcr is the Common Tellotv Ober burnt in the open Fire.
9. Cinnabar, or Vermillian. There are two sorts; Native, or the Minium«f the Ancients, which is the Mineral that yields Qukk;ß!vcr ; whereof andof Sulphur it chiefly consists; it is found in the Mines of Ißria. This Coiourwas amongst the Ancient Romans usod to Sacred Purposes, and on FestivalsJupiters Face was Painted therewith, as likewife the Bodies of thosc that en-tred in Triumph. The FaSlitious Cinnabar is that which we now use, andis made by n. Sublimation of Mercury and Sulphur.
10. Carmin, made of Cochinecl.
ti. Lake, thought to be an Arabick. Word : It is made of Flocks Dycd, orShavings of Scarlet-cloath, or of the Cochinecl Fnfect, or eise of Kprmes-berries,their Tincture bring extracted with a Lye of Pot-alhes, and then Precipitatedwith a Solutior» of Roch-Alom. After the fame manner a Lake may bemade of any Plant or Flower. There is also another fort of Lake made ofGum-lac, by extracting its Tincture with Urine.
12. Sanguis Draconis is the Gum of a Tree, which looks like dryed Blood ;’tis brought out of several Places in the Eaft-Indics.
13. Engtißo Buddle, or Ruddlc, is found inmany places of England ■,amongstthe rest near Witney in Oxfordfhire.
14. Lamp-blatk, by Pliny thus described: ’Tis made of the Soot of Rosinor Pitch burnt, Housos being built on purpofe for it, that keep in theSmoak.
To China V. This way of making soveral China Varnißses was first sont from theDr ”wiU ^ ’ n China t0 tHe GrCat Duk ? ° F Tu fi a V-
Sherard.' Take of Crudc Varnifh 60 Ounces, Ordinary Water 60 Ounces, mix them
•>. 2ö2. f. 525. we ]j together till the Water disippears, afterwards put this matter into aWooden Vessel y or 6 Palms long, and 2 or 3 broad, Mix them with aWooden Spatula, for a Whole Day in the Summers Sun, and for two in theWinter. It is afterwards kept in Earthen Vessels with a Bladder over it; andCool, this is the Varniß prepared in the Sun.-
toylmg tbt Ojl Take 20 Ounces of the Oyl, called Oyl of Wood, of that of the Frmt 10cf Wood. Drams, Give them y or 6 Boyls, till it comes to be a little Telloto. Let itCool, and put to it y Drams of Quickrlimc powdered.
Togtvt tbtf rß Take Swines Blood and guickrlimc powdred, mix them well, lay this M!x-S gff» turc on the Wood, and wkn it is dry, Smooth it with Pumice Stones.