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Right answer, wrong time period. The vending machine was actually invented sometime between 10CE - 70CE, not 200 BC - 100 BC. It's inventor was not alive during that time period.
Also, it would be nice if you added the inventors' name to the explanation, as well as what it was used for/how it worked.
» Added by Craige on February 09, 2007 at 3:30 PM
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