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SOME
EXPERIMENTS
CONCERNING
SOME
EXPERIMENTS
CONCERNING
When I found that the chief Persons of the Art agreed in these Principles for a long Time, I have endeavour'd to learn by Experience, by what Artifice a pure unmix'd Mercury might be obtained? Whether it cou'd be extracted out of Metals? What is that other Part of the Metal that is apt to force under its Yoak the free Quicksilver, or Mercury? I am glad to give an Account of what I have discovered; not that I pretend to teach the Art, which I am as far from as any one; but I will faithfully relate some laborious Experiments, and which are so very certain, that they may justly pass for true. Others will not need to repeat them, but may safely make use of these as true upon Occasion. And a diligent Artist, by assuming these Experiments, may apply his Mind farther to others, in order to promote the Study of Chemistry the more. It were to be wish'd, that every Man directed his private Labours to the public Good. Let the first Experiment be this:
The Bottle being opened, there was the same Weight of Mercury, which was covered on all Sides with a very soft, black, copious and fine Powder. I squeez'd it thro' a clean Leather Bag; the liquid and pure Mercury pass'd thro'. The Powder remained in the Bag of a sharp metallic Taste, somewhat resembling the Taste of Copper or Brass.
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