The 1904 World's Fair, St. Louis, Missouri: mining exhibition: model of a Prussian mine. Photograph, 1904.
- Date:
- 1904
- Reference:
- 571958i
Licence: Public Domain Mark
Credit: The 1904 World's Fair, St. Louis, Missouri: mining exhibition: model of a Prussian mine. Photograph, 1904. Wellcome Collection. Source: Wellcome Collection.
