- ???2018/6 - Photographs of E.Z. Co. Zinc Works at Risdon
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- ??15 - Power house foundation work at E.Z. Co. Zinc Works
- ??16 - Concrete formwork for power house at E.Z. Co Zinc Works
- ??17 - Expansion of E.Z. Co. Zinc Works cell room 1930
- ??18 - Looking north to cell room extension at E.Z. Co. Zinc Works
- ??19 - Concrete framework of new building at E.Z. Co. Zinc Works
- ??20 - Construction of pure solution tank at E.Z. Co. Zinc Works
- ??21 - Concrete pouring tower hoisted at E.Z. Co. Zinc Works
- ??22 - Corrugated iron shed dwarfed by larger building under construction at E.Z. Co. Zinc Works at Risdon
- ??23 - Workmen preparing footings for expansion at E.Z. Co. Zinc Works at Risdon
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