A new treatise on the stone : containing the causes both remote and immediate. The indications, counter-indications, and the prognostick. With an exact analysis of the different preparations of Mrs. Stephen's medicines, to prove that it cannot be a specific for the stone / By the chevalier de Coetlogon.

Dennis De Coetlogon

Date:: [1739?]

Credit: A new treatise on the stone : containing the causes both remote and immediate. The indications, counter-indications, and the prognostick. With an exact analysis of the different preparations of Mrs. Stephen's medicines, to prove that it cannot be a specific for the stone / By the chevalier de Coetlogon. Source: Wellcome Collection.

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44/64 page 44

Mrs. Stephens has no need to caution'us about the E gree of Fire, fince there are very few Calcinations ma* without a clear Phey but the Length of Time for h Calcination of a few Egg-Shells, feems to me prodigiou the Calcination of Antimony, for a Purification^ whi is made in the fame Manner, is accomplifhed in a i lefler Time , the Precaution ufed in it of Covering t Crucible wtth a Tile, is more reafonable, fince withe it, the mold Volatile Corpufcles ( the whole being p in a vehement Agitation, by the Vivacity of the ignec Particles ) would be evaporated with the fuliginous on< which meeting with that Obftacle in their afeent, s precipitated, and form on the Surface of the Matter Calcination, a kind of Nets, in whofe interftites the! line Corpufcles coming to lodge themfelves more large, are thereby more directed to their Adtion j 1 I cannot conceive how fuch a long Time (hould be quilite for to form that new Texture, if ever it was be fuppofed that fuch a one fhould be formed at all j 2 if on the contrary, fuch violent Fire, and of fo lon£ Duration, fhould not be capable to Confume and : nihilate the few oleaginous Corpufcles to be met w in the Shell of an Egg, without which fuch a Texti is not to be formed : i am apt to think, that the Acridi found in the Matter when the Calcination is perfebb proceeds from the igneous Particles diffufed thro’ lince almoft all Calcinations have the fame Acridi Dime is Acrid till it has been flaken, the Preparation .Antimony for to make it Diapbretick is Acrid, till af its Lotions. Old Leather calcined is Acrid, and in f Acridity, proceeding from the continual Motion of] igneous Particles, which direct the Salts to Abtion, c< fids its cauftick Virtue: But what Virtue can an El Shell have,? Which after a tedious Calcination, the b ter as I have fuppofed already, to unfold its Principl fharpen the Points of its Salts and direbt them to Acric is put afterwards to a ftill more tedious Digefiion, wh by the enfuing phenomenons, muff destroy the Pd of the Calcination* for, fays—Mrs. Stephens — * Egg-Shells fwell in Slaking, which is an evident I mondration of the Conflict of the igneous Particlelo<|

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