ISBN: 9781437195408 - the assayer's guide: or practical directions to assayers, miners, and smelters: or practical directions to assayers, miners, and smelters (1852) (1 Ergebnisse)

Sonstiges. Zustand: Neu. Neuware - For The Tests And Assays, By Heat And By Wet Processes Of The Ores Of All The Principal Metals Of Gold And Silver Coins And Alloys, And Of Coal Etc.