Metallographia: or, an history of metals. Wherein is declared the signs of ores and minerals both before and after digging, the causes and manner of their generations, their kinds, sorts and differences; with the description of sundry new metals, or semi metals, and many other things pertaining to mineral knowledge. As also, the handling and shewing of their vegetability, and the discussion of the most difficult questions belonging to mystical chymistry, as of the philosophers gold, their mercury, the liquor alkahest, aurum potabile, and such like / Gathered forth of the most approved authors that have written in Greek, Latine, or High-Dutch; with some observations and discoveries of the author himself. By John Webster.
- John Webster
- Date:
- 1671
Licence: Public Domain Mark
Credit: Metallographia: or, an history of metals. Wherein is declared the signs of ores and minerals both before and after digging, the causes and manner of their generations, their kinds, sorts and differences; with the description of sundry new metals, or semi metals, and many other things pertaining to mineral knowledge. As also, the handling and shewing of their vegetability, and the discussion of the most difficult questions belonging to mystical chymistry, as of the philosophers gold, their mercury, the liquor alkahest, aurum potabile, and such like / Gathered forth of the most approved authors that have written in Greek, Latine, or High-Dutch; with some observations and discoveries of the author himself. By John Webster. Source: Wellcome Collection.
![Chap. 1I. Of the defer ip tion of common Gold according to fome Authors5 and of the properties thereof \ as alfo of fome ways of beating , fifting 5 and wafhing the Ores thereof P •15 5 • Chap* 12. what may be thought of common gold, whe¬ ther it be an ingredient into the Philofophers Tincture or not ? what may be faid of Aurum Potabile 5 or the Tin Bure of Gold ? ^And what of the white ‘Body when the TinBure is taken from it f and fomething of the Aik ah eft. p.i6i* Chap. 13. Of the defeription of Silver 5 and the fever al ways that the Ore of it it gotten ^ and of its Mines3 Conditions5 and [iriking puff ages, p •199* Chap. 14. Of Silver found pure by Nature that needs no refining by fire* And of thofe forts that mufi be purified3 their colour s> mixtures 5 and fever al Coats wherein they lie♦ p. 2 o 7« Chap. 15*. How they refine Silver Ore at the Indies3 and of feme other fuch things. p.227. Chap. 16* Of the defeription of Copper 3 of its Ore3 flones5 operation, andfir iking paj]ages. Chap* 17. Of fome figns where fopper Ore may be found3 as alfo of its fever a l forts, and the divers pre¬ parations'it undergoes ere it be pure. p.2410. Chap. 18. Of naive and faBitiows Orichalcum • of Corinthian Copper or Brafs ; and of fome other Com- portions that Copper undergoes with other Metals or Minerals * and of the Medicines prepared forth of it. ' p.248* Chap. 19. Of the deferiptions of Iron3 its Ore or Miney Operations, Stocks3 Floats and Pajfages. p.261. Chap. 20. 0/ fever al forts of Iron f one or Ore, and of Medicines prepared forth of the Metal, $>26$. Chap. 21.](https://iiif.wellcomecollection.org/image/b3032399x_0027.jp2/full/800%2C/0/default.jpg)


