Ball & Welsh (Mr Tompkins) [Job file]

Reinforced Concrete and Monier Pipe Construction Co. Pty Ltd, Ball & Welsh (Mr Tompkins) [Job file] (6 February 1906), [UMA-IT-000045689]. University of Melbourne Archives, accessed 03/05/2026, https://archives.library.unimelb.edu.au/nodes/view/510308