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  • Title
    George Bidder's 'Mental Calculators'
  • Reference
    MS/1344
  • Production date
    1814 - 1830
  • Creator
    • Bidder, George ParkerBiography
  • Scope and Content
    The pages bear holograph details by D. Turner (fl 1819) of a complicated mental calculation by Bidder dated 6 Aug 1819. There are anonymous ms. notes of 13 Oct 1830 about Bidder's current position with an engineer named Walker and the talents of other boys with a similar gift. The pages include George Bidder's autograph and two pencil portrait sketches of him. There are two newspaper clippings dated 1814 and 1820 quoting the Salisbury Journal and detailing Bidder's 'arithmetical calculations' and 'wonderful power of computation'.
  • Extent
    3 pages on 1 sheet
  • Language
    English
  • Level of description
    TOP
  • Repository name
    Science Museum, London
  • Conditions governing access
    Open Access
  • Conditions governing Reproduction
    Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions
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