George Bidder, a mental calculator, aged thirteen. Line engraving by J.H. Robinson, 1819, after Miss Hayter.

  • Hayter, A. (Anne), Miss., active. 1814-1830.
Date:
25 June 1819
Reference:
163i

Licence: Public Domain Mark

Credit: George Bidder, a mental calculator, aged thirteen. Line engraving by J.H. Robinson, 1819, after Miss Hayter. Wellcome Collection. Source: Wellcome Collection.

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