January 22, 2004
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eyetestsymbol.jpg

When Hermann Snellen codified the eye chart as we know it, he also experimented with ways to test the eyes of children and illiterates. See more of this on the splendid Giornale Nuovo, and the book from which these images are taken at Redstone Press.

Posted by kio at January 22, 2004 01:55 PM
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