Aux. Drive Spiral Wheel, Aux. Drive Spiral Pinion

Michell, Anthony G., Aux. Drive Spiral Wheel, Aux. Drive Spiral Pinion (20 September 1927-14 February 1928), [UMA-ITE-2007006801724]. University of Melbourne Archives, accessed 30/04/2026, https://archives.library.unimelb.edu.au/nodes/view/314457