Science: a complex machine for determining the specific gravity of various substances, an observer in early eighteenth-century dress looks on. Engraving.

Public Domain Mark

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

Credit

Science: a complex machine for determining the specific gravity of various substances, an observer in early eighteenth-century dress looks on. Engraving. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.