Travels through the Bannat of Temeswar, Transylvania, and Hungary, in the year 1770 [Microform] : described in a series of letters to Prof. Ferber, on the mines and mountains of these different countries / by Baron Inigo Born ; to which is added, John James Ferber's Mineralogical history of Bohemia ; translated from the German with some explantory notes and a preface on the mechanical arts, the art of mining, and its present state and future improvement by R.E. Raspe