Saturday, May 26th, 2012
Australian inventions that changed the world
Michelle Starr
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1854: the fridge
There's one in nearly every kitchen, at least in the Western world, but the ubiquitous fridge was originally conceived in Geelong in the 1850s by one James Harrison. His patented ether vapour-compression system, whereby gas was passed through a compressor to be cooled and liquefied, and then circulated through refrigeration coils, is still the most widely used refrigeration system today — not just in fridges, but air conditioners in homes and offices around the world.
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