Fleta minor. The laws of art and nature in knowing, judging, assaying, fining, refining and inlarging the bodies of confin'd metals. In two parts. The first contains essays of Lazarus Erckern ... in V books: originally written by him in the Teutonick language, and now translated into English. The second contains essays on metallick words, as a dictionary to many pleasing discourses by Sir John Pettus ... Illustrated with 44 sculptures ... / [Sir John Pettus].

  • John Pettus
Date:
1683
Catalogue details

Licence: Public Domain Mark

Credit: Fleta minor. The laws of art and nature in knowing, judging, assaying, fining, refining and inlarging the bodies of confin'd metals. In two parts. The first contains essays of Lazarus Erckern ... in V books: originally written by him in the Teutonick language, and now translated into English. The second contains essays on metallick words, as a dictionary to many pleasing discourses by Sir John Pettus ... Illustrated with 44 sculptures ... / [Sir John Pettus]. Source: Wellcome Collection.

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    G H A P. XX. How tofeparate Gold and Silver, and how to burn and dijlil Aqua Fort and to prepare Injbuments and Clay for the Work. OSclion i. Ol the Clay for Ovens. 2.Of Luting the parts of the Oven. 2 An other Clay for Bottles. 4. Of Venetian Glafs. 5. To prepare Tues and Retorts. Of Iron Jugs or Pots. 7. Of Luting thofe Jugs 8 lo get the Caput. Mortl out of thofe Jugs or Pots. 9. The XX. ^ c U L p- T U R E Deciphered. CHAP. XXI. ' - How to make Ovens for dijl tiling Aqua Fort. CS&mi. Ovens of feveralforts. 2. Of the Athanor or great Furnace 0 3. Earthen Pots better than Iron. 4. Covers for them. <. The XXT SCULPTURE Deciphered. CHAP, XXII. of the Species or Compofitions ufedfor dijlil ling and making Aqua Fort. QZtfion 1. Of Calcining Vitriol for it. 2. Of Nitre or Salt-Petre. CHAP. XXIII. • . r , , ' How Aqua Fort, is to be difilled. (TEbljon 1. In a Glals Bottle. 2. Copelsfor it. 3. Another way. 4 Wa¬ lter in the Receiver. 5, A tryal of Vitriol. CHAP. XXIV. , How Aqua Fort- is to be diflilled in an Iron fug. Q£<dion 1. Jugs call or Hammer’d. 2. How to place them in the Atha ° nor- ?• Of governing the Athanor. 4. Ofdifpofing the grower Spi¬ rits. 5- To order the fire when too hot. 6. The drops to be countei 7. To force the Spirits. 8. When the Glafles, Limbecks and Receiver are to be taken away. 1 CHAP. XXV. How to Dijlil Aqua Fortis in 4 or 5 hours. _ < ' . CHAP. XXVI. Another good way to difltl Aqua Fort. ' .»» 1' * t’.l - < •. • * * «, f » . 1 • . < 1 OEtlion 1. With uncalcined Vitriol. 2. Such Vitriol as is bovled out ^ of Flints. 3. Another way. ia D: in 0 CHAP. XXVIL How to make an excellent Jlrong Aqua Fort. ^Effion i. Of the Ingredients. 2. More Gold produced by this way than any other. 3. A luting on which the Spirits do not operate. [C] ■ CHAP.