Paper making machine: a schematic side elevation (top), and a bird's-eye view (below), both lettered for a key. Engraving.
- Reference:
- 40499i
Licence: Public Domain Mark
Credit: Paper making machine: a schematic side elevation (top), and a bird's-eye view (below), both lettered for a key. Engraving. Wellcome Collection. Source: Wellcome Collection.
