Manual of Assaying Gold, Silver, Copper, Tin and Lead Ores, by Walter Lee Brown,... Revised... and with Chapters on the Assaying of Fuels, Iron and Zinc Ores, Etc., by A. B. Griffiths,...
Descriptive Catalogue of the Revenue Stamps of Italy, from 1836 to 1878, Compiled from the Most Reliable Authorities by Walter Lee Brown,...
Manual of assaying gold, silver, copper and lead ores. Revised, corrected and enlarged by A.B. Griffiths