'Cancha De Beneficiar, or Mode of Amalgamation of Gold and Silver', c1826, (1911). Artist: Unknown.
2-673-170 - The Print Collector/Heritage Images
'Cancha De Beneficiar, or Mode of Amalgamation of Gold and Silver', c1826, (1911). From Chile, by G. F. Scott Elliot, M.A. F.R.G.S. [T. Fisher Terrace, London, 1911]