Marconi Osram Valve Co Ltd: Presentation of valves to Natural Philosophy Department

Office Of The Registrar (University Of Melbourne), Marconi Osram Valve Co Ltd: Presentation of valves to Natural Philosophy Department (1920), [UMA-IT-000081498]. University of Melbourne Archives, accessed 30/04/2026, https://archives.library.unimelb.edu.au/nodes/view/556707