George Bidder, a mental calculator, aged twelve. Line engraving by S. Springsguth, 1818.
- Date:
- 24 June 1818
- Reference:
- 162i
Licence: Public Domain Mark
Credit: George Bidder, a mental calculator, aged twelve. Line engraving by S. Springsguth, 1818. Wellcome Collection. Source: Wellcome Collection.
