This highly competent reprint of a specialist book from the early 20th century provides a detailed and easily understandable explanation of the various processes involved in precious metal processing, starting from the extraction of raw materials to finishing work and recycling workshop waste. For all watchmakers and watch enthusiasts, as well as gold and silversmiths, this unique reference work offers not only fundamental material knowledge but also a contemporary overview of the old techniques for processing and working with precious metals in watchmaking and jewelry production. A true treasure trove of knowledge for anyone involved in the processing of precious metals.