
Mayerle Eye Test Mug
Detail from George Mayerle's "international eye chart" (positive) ca. 1907. Invented by an immigrant living in 20th-century San Fran, the chart was intended to allow anyone to do an eye test regardless of nationality.

Detail from George Mayerle's "international eye chart" (positive) ca. 1907. Invented by an immigrant living in 20th-century San Fran, the chart was intended to allow anyone to do an eye test regardless of nationality.
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Sorry, we cannot ship to P.O. Boxes.