Alt. to National Crankless Gas Eng. Sio Metrop. Gas Co. Sth. Melb. Yoke Guides No. 1 and 1a Only.

Michell, Anthony G., Alt. to National Crankless Gas Eng. Sio Metrop. Gas Co. Sth. Melb. Yoke Guides No. 1 and 1a Only. (22 October 1928-25 October 1928), [UMA-ITE-2007006801832]. University of Melbourne Archives, accessed 22/09/2026, https://archives.library.unimelb.edu.au/nodes/view/314565