Bock, however, in 1880 (Bergand hiittenmannische Zeitung, 1880, p. 411) described a process used at the North German Refinery in Hamburg for the refining of gold containing platinum with a small proportion of silver, lead or bismuth, and a subsequent patent specification (1896) and a paper by Wohlwill (Zeus.
Fechner, Geschichte des schlesischen Bergand Hiittenwesens 1741-1806 (Berlin, 1903); see also the Zeitschrift des Vereins fiir Geschichte and Altertum Schlesiens (Breslau, 1855 sqq.), and Oberschlesische Heimat, Zeitschrift des oberschlesischen Geschichtsvereins (Oppeln, 1905 sqq.).
Studer and others, Bergand Gletscherfahrten (2 series, 1859 and 1863); G.
The chemistry of the process has been studied by Martin Kiliani (Bergand Hiittenmdnnische Zeitung, 1885, p. 2 49), who found that, using the (low) current-density of 1 .
He published many works on mineralogy and metallurgy, of which the most important, the Grundzilge der Bergand Salzwerkskunde (13 vols., Frankfort, 1773-1791), has been translated into several languages.