Four men standing by the huge trunk of an Australian mountain ash tree (Eucalyptus species). Wood engraving, c. 1867.

Public Domain Mark

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

Credit

Four men standing by the huge trunk of an Australian mountain ash tree (Eucalyptus species). Wood engraving, c. 1867. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.