Eyesight of savage and civilized people / by Charles Roberts.

  • Roberts, Charles, 1836-1901.
Date:
1885
Catalogue details

Licence: Public Domain Mark

Credit: Eyesight of savage and civilized people / by Charles Roberts. Source: Wellcome Collection.

Provider: 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.

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    that for the purpose of travellers the number of those dots should be limited to one or two. He exhibited a thin octagon zinc plate, 5 inches in width, with holes in it to which paper test circles, of whatever construction might be adopted, could be attached by threads. The plate would be propped on one or other of its eight sides, giving that number of varying test positions. [■Reprinted, from the Journal of the Anthropological Institute, August, 1885.] Harrison and Sons, Printers in Ordinary to Her Majesty, St. Martin's Lane.