Laby/Hercus photograph of Old Physics; photograph of Unknown experiments in conductivity by Laby and Hercus?).

Laby, Thomas H., Laby/Hercus photograph of Old Physics; photograph of Unknown experiments in conductivity by Laby and Hercus?). (Undated), [UMA-IT-000047100]. University of Melbourne Archives, accessed 01/04/2026, https://archives.library.unimelb.edu.au/nodes/view/511727