Floram Marchand, a man who regurgitated water transformed into several colours and into separate vessels. Reproduction of a stipple engraving.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

Floram Marchand, a man who regurgitated water transformed into several colours and into separate vessels. Reproduction of a stipple engraving. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.