Travels through the Bannat of Temeswar, Transylvania, and Hungary, in the year 1770. Described in a series of letters ... on the mines and mountains of these different countries ... / To which is added, John James Ferber's mineralogical history of Bohemia. Translated from the German ... by R.E. Raspe.

  • Born, Ignaz, Edler von, 1742-1791
Date:
1777
Catalogue details

Licence: Public Domain Mark

Credit: Travels through the Bannat of Temeswar, Transylvania, and Hungary, in the year 1770. Described in a series of letters ... on the mines and mountains of these different countries ... / To which is added, John James Ferber's mineralogical history of Bohemia. Translated from the German ... by R.E. Raspe. Source: Wellcome Collection.

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    *' , Vm 9 . : . f c. The art of metallurgy, which, the agents, fif fire and acids ,fiep arat es,purifies, r effectively produces and deftroys thofie various metallic and mineral fiubftances, which are contained in the ores and fofifil bodies, ar* fiubfiervient and necefifary to fio many wants ofi human fiociety. d. The Art of aflaying or docimafy, is rather a part ofi metallurgy, teaching, fimall and nice off ays ofi acids, fire^ weight, to determine the value, mixture, contents ^ and nature ofi the raw ores, or ofi the metals and mineral fiubftances, produced by the greater operations ofi metallurgical furnaces and manufactories. If the Ancients, efipedally the Egyptians, Greeks? Romans, be allowed to have been pretty good empyrical met alhtrgifts and fimelters, as plainly appears by many of their works and accounts, A however\be allowed on the other fide, that they have not left us any other, to perhaps a few traditional practices and pro cejfes y which, A r efipe It to metallurgy and chemiftry, vague and lefis to be depended upon9 /toz A other more determined and evident arts and feiere es. JVe can make but very little ofi their Hermes Theophraftus, /Ay* AJ no * ) -*• Archimedes or Euclid for chemiftry ; nor did they make ufe of it either in the preparation of their me- dicines, 6>r A /A examination of the elementary ftub- fiances of nature. TtoV medicines were mixtures or de coitions