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Updated: May 4, 2025
Many have somewhat wondred, how I came to light upon this Experiment, but the Notions or Conjectures I have about the differing Natures of the Several Tribes of Salts, having led me to devise the Experiment, it will not be difficult for me to give you the Chymical Reason, if I may so speak, of the Phænomenon.
He says, that, of the corrections originally made on the margins of this folio, the number which have been wholly or partially "obliterated.....with a penknife or the employment of chymical agency" "are almost as numerous as those suffered to remain"; that, of the corrections allowed to stand, many have been "tampered with, touched up, or painted over, a modern character being dexterously altered, by touches of the pen, into a more antique form"; and that the margins are "covered with an infinite number of faint pencil-marks, in obedience to which the supposed old corrector has made his emendations"; and that these pencilled memorandums "have not even the pretence of antiquity in character or spelling, but are written in a bold hand of the present century"; and with regard to the incongruities of spelling, he especially mentions the instances, "'body, 'offals, in pencil, 'bodie, 'offals, in ink."
The ordinary Writers of Morality prescribe to their Readers after the Galenick way; their Medicines are made up in large Quantities. An Essay-Writer must practise in the Chymical Method, and give the Virtue of a full Draught in a few Drops.
In Rosicrucian literature, we have the story of "the Chymical Marriage of Christian Rosy Cross," which is, when read with the key to its esoteric meaning, a story of the chemistry of marriage between the sexes.
And I know a Chymical Liquor, which I employ'd to restore pieces of Cloath spotted with Grease to their proper Colour, by Imbibing the Spotted part with this Liquor, which Incorporating with the Grease, and yet being of a very Volatile Nature, does easily carry it away with it Self.
But though Pyro: such things as these, among others, keep mee from daring to affirm, that the Diversity and change of Colours does alwaies argue any great difference or alteration, betwixt, or in, the Bodies, wherein it is to be discerned, yet that oftentimes the Alteration of Colours does signifie considerable Alterations in the disposition of parts of Bodies, may appear in the Extraction of Tinctures, and divers other Chymical Operations, wherein the change of Colours is the chief, and sometimes the only thing, by which the Artist regulates his proceeding, and is taught to know when 'tis seasonable for him to leave off.
Furthermore, they are now building a Laboratory to make all sorts of Chymical Medicines, intending to supply the whole Nation with them, which must necessarily undo all the Chymists in London; and whether in time they will not distil Strong-waters, &c.
XV. We likewise Plung'd it as soon as we had excited it, under Liquors of several sorts, as Spirit of Wine, Oyl both Chymical and express'd, an Acid Spirit, and as I remember an Alcalizate Solution, and found not any of those various Liquors to destroy its Shining property.
The answer is easie, that the Medicines in our Pharmacopæa, are the best of any other Pharmacopæa in the World, both for their goodness, and well preparing of them, whether they be Chymical, or Galenical; and therefore the same scandal will ly on all Pharmacopæa's whatsoever.
Secondly, That this Experiment, though not made with the same Menstruums, nor producing the same Colour is yet much of Kin to that other to be mentioned in this Tract among our other Experiments of Colours, about turning a Solution of Præcipitate into an Orange-colour, and the Chymical Reason being much alike in both, the annexing it to one of them may suffice FOR both.
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