Image: Comparative Lettering Hauy-Barbier-Braille
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Description: A comparison of three methods of printing for the blind in the nineteenth century. "A" and "Z" are printed in the embossed lettering favored by Valentin Haüy; in the "night writing" military code of Charles Barbier; and the modern English version of braille code by Louis Braille.
Title: Comparative Lettering Hauy-Barbier-Braille
Credit: Own work
Author: SteveStrummer
Usage Terms: Creative Commons Zero, Public Domain Dedication
License: CC0
License Link: http://creativecommons.org/publicdomain/zero/1.0/deed.en
Attribution Required?: No
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