A letter-copying machine: plan (top) and three-quarter view (below). Coloured engraving by J. Pass, 1813.
- Date:
- 31 March 1813
- Reference:
- 40618i
Licence: Public Domain Mark
Credit: A letter-copying machine: plan (top) and three-quarter view (below). Coloured engraving by J. Pass, 1813. Wellcome Collection. Source: Wellcome Collection.
