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September 16, 2003

Imperial purple

A British amateur chemist has worked out how the ancient Romans dyed the togas of emperors this deep colour thanks to a bacterium found in cockles from the supermarket Tesco.

The article includes something close to do-it-at-home instructions if you can get your soon to be purple hands on a supply of the appropriate molluscs.

Posted by Ghost of a flea at September 16, 2003 04:30 AM