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11 results filtered with: Mental calculators
  • Jedediah Buxton, a mental calculator. Etching after Mary Hartley.
  • Zerah Colburn, a mental calculator, as a child. Stipple engraving by H. Meyer, 1813, after T.H. Hull.
  • Jedediah Buxton, a mental calculator. Etching by Mary Hartley, 1764.
  • Jane Shore (mistress of King Edward IV), Henry Hastings (Dorset landowner and sportsman), Jedediah Buxton (mental calculator), and Mary Davis (with horns). Etching, 1808.
  • George Bidder, a mental calculator, aged twelve. Line engraving by S. Springsguth, 1818.
  • Master Noakes, a mental calculator. Lithograph by A. Mosses, 1827.
  • Jedediah Buxton, a mental calculator. Line engraving.
  • Jedediah Buxton, a mental calculator. Mezzotint by J. Spilsbury, 1781, after B. Killingbeck.
  • Zerah Colburn, a mental calculator, as a child. Engraving, 1813.
  • George Bidder, a mental calculator, as a boy. Aquatint by H. Meyer, 1817, after W. Waite.
  • George Bidder, a mental calculator, aged thirteen. Line engraving by J.H. Robinson, 1819, after Miss Hayter.