| References | [<ExternalResource: Powerhouse Museum, 'Caroma 'Utility' bathroom stool', Powerhouse Museum, Sydney, NSW.>, <ExternalResource: "World-first dual-flush toilet developed in 1980 by Bruce Thompson, head of award-winning Adelaide Caroma design.">, <ExternalResource:  Charles Rothauser, "Approach to Design of Plastic Articles", in Know your Plastics, Paper no.2, Plastics Institute of Australia, 1961, 7 pps.>] | [<ExternalResource: Powerhouse Museum, 'Caroma 'Utility' bathroom stool', Powerhouse Museum, Sydney, NSW.>, <ExternalResource: "World-first dual-flush toilet developed in 1980 by Bruce Thompson, head of award-winning Adelaide Caroma design.">] |