Unit TypeA1 Brown IdentifierUMA-UN-000014852Accession[1969.0006] Records of Broken Hill Associated Smelters Pty LtdDate Range1919-1922DescriptionGroup 5 - Port Pirie: patents - bullock's invention, blast roasting patent, coal dust feeding, cost of copies of specification, Dwight Lloyd patent, improvements, lead softening, miscellaneous; processes - Espenhahn process, metal spray, miscellaneous, Rohmer's processAccess StatusAccess restrictions apply for some itemsEMu IRN103996
1969.0006 Unit 0173, [UMA-UN-000014852]. University of Melbourne Archives, accessed 16/12/2025, https://archives.library.unimelb.edu.au/nodes/view/100518