Category:Zerah Colburn (mental calculator)
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American mental calculator  | |||||
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| Date of birth | 1 September 1804 Cabot | ||||
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| Date of death | 2 March 1840 Norwich | ||||
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Media in category "Zerah Colburn (mental calculator)"
The following 4 files are in this category, out of 4 total.
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Zerah Colburn (NYPL Hades-255329-431240).jpg 3,740 × 6,000; 3.64 MB
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Zerah Colburn (NYPL Hades-255329-431240).tiff 3,740 × 6,000; 64.21 MB
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Zerah Colburn, a mental calculator, as a child. Engraving, 1 Wellcome V0007040.jpg 2,100 × 3,467; 2.98 MB
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Zerah Colburn, a mental calculator, as a child. Stipple engr Wellcome V0007039.jpg 2,365 × 3,164; 3.94 MB
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