Registration Certificate for Invention which improves construction of Furnaces for smelting Ore and Antimony

Bright Family, Registration Certificate for Invention which improves construction of Furnaces for smelting Ore and Antimony (2 March 1872), [UMA-ITE-1980007509033]. University of Melbourne Archives, accessed 19/02/2026, https://archives.library.unimelb.edu.au/nodes/view/244014