Tactile alphabet

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Six principal systems of embossed type in use ca. 1900: Haüy, Gall, Howe, Moon, Braille, Wait

A tactile alphabet is a system for writing material that the blind can read by touch. While currently the Braille system is the most popular and some materials have been prepared in Moon type, historically there have been a large number of other tactile alphabets:

See also Vibratese.

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