Sea. ij;

Of Metals.

' nother ji. of the fame; which' draw again, and repeat that Ope-

* ration three or four times : Let

* the remaining Matter be pouder'd« and calcined for an Hour in a' Crucible,- then edulcorate by« wafhing, and burn it three or four« times with Spirit of Wine.'

Th« feems to have been origi-nally the Contrivance of Crtll¡us¡though Shtercitan, Sennertus, Hart-man, and many other practical Wri-ters, give feveral Proceffes for itsPreparation } as doth alio Schrodergive one not much differing fromthis. It hath been much contro-verted by ibme, whether this is aMercurial or an Antimonial Medi-cine ¡ but it is not of Confequenceenough to require any Notice ofthe feveral Opinions thereupon.This Medicine is however of Effica-cy and Ufe enough to tempt fomeChymifts, and fuch like Artificers,who keep Medicine Ware-houfcs,to fophifticate it : For to make itgenuine will coft double (befidesthe f r °uble and Danger of noxiousSteams) of what thofe Importersfrequently fell it for. Their com-mon Adulteration is with half, ortwo thirds of the llores Salis Am-monicici.

The Fumes of the firíl Mixingare very noxious, and therefore tobe carefully avoided. Its Operationis by Sweat, tho it wül alfo iome-times puige. Itismuch more effi-cacious than the Antimonittm Dia-phoreticum, and it will eradicateeven Ltprojies, and the moft obfti-nate Cafes of that kind, if rightlymanaged. Some count it a Re-finer of Poilbns, and commend itin Peftilential Diftempers Its Doleis from x gr. ro 5 is. Some cal-cine it in a Crucible, after it is ta-kenout of the Retort : Others thinkif better to let ttiat part of the $p hit

191

of Nitre it holds, remain with it ibut its Operation is certainly milderfor fuch Management.

Lute not on the Receiver, tillthe Violence of the Fumes are over,left when the Fire augments its Mo-tion, it break the Retort and Re-ceiver. Do not exceed the thirdDegree of Fire, nor let it ftandlongafter the Spirit of Nitre isdrawn off,to prevent dilcolouring the Medi-cine. The Spirit of Nitre being nowimpregnated with common Saltwhich was in the Butyrum, isbecome an Aqua Regia, and willdiflblve Gold, and is call'd SpiritusNitri Bezoarticus.

Tin&ura Antimpnii, TinBnre pf'An-timony.' Put ft Cs. of Salt of Tartar into' a Crucible j fet it in a melting' Furnace, and heat it until it melts i

* then put to it, by a Spoonful at à' time, of Antimony in Pouder' 5 v. let it ftand in a ftrong melt-' ing Heat fortheipace of an Hour;' take it from the Fire, and put it' into a warm Mortar ; beat it into' a Pouder, and whilft warm put

• it into a Matrafs. Pour upon it' tartaric'J Spirit of Wine ft i. and' invert a Glafs into the Mouth of« the Crucible, lute it well, and' fet it in Digeilion three or four' Days, in which time the Spiritof' Wine will be ting'd; take it from' the Heat, fet it on one fiele to' fettle, and decant it into advy Phi-' al; which keep well ftopt for Ufe.'

This loies its Colour with keep-ing long, fo that it will almoftcome to be limpid as Water. Itoperates by Sweat and Urine, indis reckon'd a good Deobfirutnt,eipecially in Hypochondriacal Cafes.it is conveniently given in any com-mon Liquor. Its Dofe is from xto 1 01 Ù Drops.

U 3 Tinclura