Pyrmont Bridge, Sydney
The first electrically-powered swing bridge.
The contractors for the steelwork were S.A. des Ateliers de Construction de Hal, of Hal, near Brussels, Belgium. 
The bridge was described in great detail in 'The Engineer' 1917 (26 January, 2, 9 & 12 February).
Sources of Information
- The Engineer, 16 Feb 1917