For many of us, the rotary clothes hoist is as Australian as a kookaburra, even given a starring role in the Sydney Olympics closing ceremony, and so it is natural to assume that it's an Australian invention. In fact, it's difficult to pinpoint exactly who created it. Blueprint's resident architecture and design commentator Colin Bisset explores its many variations. Find more of Colin's iconic designs on the ABC Listen app or on the Iconic Designs page.