Spiral Pinion Grubscrew, Spiral Pinion Collar

Michell, Anthony G., Spiral Pinion Grubscrew, Spiral Pinion Collar (26 September 1927-14 February 1928), [UMA-ITE-2007006801731]. University of Melbourne Archives, accessed 30/04/2026, https://archives.library.unimelb.edu.au/nodes/view/314464