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If you were quite mistress of natural philosophy, he would now be hourly acquiring a knowledge of various branches, particularly natural history, botany, and chymistry. Pursue these studies, and also that of language. For fifty dollars you may get, in Philadelphia, a chymical apparatus, put up in a small box, with which more than one hundred experiments may be made.
The doctrine, therefore, of our Theory is briefly this, That, whatever may have been the operation of dissolving water, and the chymical action of it upon the materials accumulated at the bottom of the sea, the general solidity of that mass of earth, and the placing of it in the atmosphere above the surface of the sea, has been the immediate operation of fire or heat melting and expanding bodies.
He had come amongst them because the great metropolis of England had ever been infested by numerous quacks, whose arrogant confidence, backed by their ignorance, had enabled them to impose on the public; either by premeditated cheats in physic, chymical and galenic, in astrology, physiognomy, palmistry, mathematics, alchymy, and even government itself.
A chymical operation could not be followed with greater art or diligence, than is seen in the hatching of a chick; though there are many more birds that show an infinitely greater sagacity in all the fore mentioned particulars.
A third way of sophisticating Chymical Oyls is, by mixing with them such Oyls as are made by expression, which are easily discovered by rubbing them on white paper, which being held and dryed at the fire, the Chymical part soon flyes away, and leaves the paper transparent, looking no otherwise then oyled paper; but pure Chymical Oyls totally fly away, leaving the paper white as 'twas before, and not transparent, and in this way Oyl of sweet Almonds and Spike have a great share.
The floor was strewed with manuscript leaves, in Johnson's own handwriting, which I beheld with a degree of veneration, supposing they perhaps might contain portions of The Rambler or of Rasselas. I observed an apparatus for chymical experiments, of which Johnson was all his life very fond. The place seemed to be very favourable for retirement and meditation.
And in some Chymical Oyls, as particularly that of Lemmon Pills, by barely Shaking the Glass, that holds it, into Bubbles, that Transposition of the Parts which is consequent to the Shaking, will shew you on the Surfaces of the Bubbles exceeding Orient and Lively Colours, which when the Bubbles relapse into the rest of the Oyl, do immediately Vanish.
Dossie, authour of a treatise on Agriculture; and said of him, "Sir, of the objects which the Society of Arts have chiefly in view, the chymical effects of bodies operating upon other bodies, he knows more than almost any man." Johnson, in order to give Mr. Dossie his vote to be a member of this Society, paid up an arrear which had run on for two years.
There are reasons to believe that he was the child of fifteen, referred to by the Rosicrucians, who planned the foundation of their society, and, at that early age, wrote the "Chymical Marriage of Christian Rosencreutz," first published in 1616. At about twelve years of age he went to Cambridge to Trinity College rooming with his brother Anthony, who was two years his senior.
Brasil. lib 1. in fine. Purchas Pilgrim. Chap. Sect 5. Purchas. Ibid. Purchas Ibid. in fin The way, Pyrophilus, of producing Whiteness by Chymical Præcipitations is very well worth our observing, for thereby Bodyes of very Differing Colours as well as Natures, though dissolv'd in Several Liquors, are all brought into Calces or Powders that are White.
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