Alt. to National Crankless Gas Eng. Sio Metrop. Gas Co. Sth. Melb. Yoke Guides No. 2, 2a, 3, 3a, 4, 4a

Michell, Anthony G., Alt. to National Crankless Gas Eng. Sio Metrop. Gas Co. Sth. Melb. Yoke Guides No. 2, 2a, 3, 3a, 4, 4a (25 October 1928), [UMA-ITE-2007006801836]. University of Melbourne Archives, accessed 22/09/2026, https://archives.library.unimelb.edu.au/nodes/view/314569