A compendious body of chymistry, which will serve as a guide and introduction both for understanding the authors which have treated of the theory of this science in general: and for making the way plain and easie to perform, according to art and method, all operations, which teach the practise of this art, upon animals, vegetables, and minerals, without losing any of the essential vertues contained in them. By N. le Fèbure apothecary in ordinary, and chymical distiller to the King of France, and at present to his Majesty of Great-Britain.

To make Spirit of Manna.

TAke of Manna well chosen q. s. put it in a glass Cucurbit, covered with its head; lute them both exactly together, and having fitted a Recipient to the Limbeck, give it a slow fire, thence shall come forth a tastless spirit, of very great vertue; for it is a great sudorifick, which with very good success is given, both in pestilential and spotted Feavers, as in all sorts of com∣mon Aguish distempers; this Spirit doth provoke sweat copi∣ously, and expells the excrements of last digestions, as may be evidenced by the unpleasant smell of the sweat which it pro∣vokes. The Dosis is from one half spoonfull to a whole one.

Moreover, this Spirit hath a peculiar vertue to dissolve Brim∣stone, and extract the yellow Tincture of it, which is not one of the least remedies for easing the breast, and the principal parts about it, when oppress'd: For this Tincture is as a restoring Bal∣some, to correct the defects of the Lungs, and strengthen and preserve their action. It may be given in Juice of _____ _____ prepa∣red and depurated, as we shall direct in the Chapter of Vegetables, from one drop to twelve.

There may be also a water of Manna made, which shall be both laxative and sudorifick: For this end, ℞ a parcel of well-chosen Manna, two parts of very pure Nitre, and put them both in a Near or Hogs Bladder, and having exactly tied it, suspend the same by a string in boyling water, till all the two substances be well dissolved: This Liquor or Dissolution must you distill, as we have said of the Spirit; and you shall have an insipid,

laxative water, provoking sweat copiously: The Dosis is from i ʒ to vi ʒ, in a broth of some pectoral Decoction. This water may prove a very good remedy to attract forth the superfluous serosities, which ordinarily do breed Rheumatical Defluxions.