![Probirbuch ... [German] 1148418059 Book Cover](https://i.thriftbooks.com/api/imagehandler/l/4DCEC82F8843672DB09B40ABC8E118D32579694D.jpeg)
Probirbuch... by Bruno Kerl, published in 1880, is a comprehensive German-language guide to assaying, metallurgy, and mining. This technical manual provides detailed instructions and methods for the chemical analysis of various ores and metals. Intended for use by miners,...