Gallery›Wellcome Collection›George Bidder, a mental calculator, aged twelve. Line engraving by S. Springsguth, 1818.
George Bidder, a mental calculator, aged twelve. Line engraving by S. Springsguth, 1818.
Wellcome Collection

George Bidder, a mental calculator, aged twelve. Line engraving by S. Springsguth, 1818.

1818

CC0 — Public Domain
Wellcome Collection

Lettering: George Bidder, the extraordinary mental calculator aged 12 years. S. Springsguth. Junr sc

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