Visualised numerals / by Francis Galton.

London : Harrison and Sons, printers, 1880.

18 pages, 2 leaves of plates : illustrations ; 22 cm

'A memoir read before the Anthropological Institute on March 9, 1880, with the remarks of various speakers thereon' - cover

'Reprinted from the Journal of the Anthropological Institute' - cover

Discussion: p. 13-18

This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.