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, many other tactile alphabets have existed:

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

See also Vibratese.

See also

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  • Constance Frederica Gordon Cumming (1892). Work for the blind in China. Printed by Gilbert & Rivington, Limited, St. John's House, Clerkenwell, E.C.: Gilbert & Rivington, Ld. p. 79. Retrieved 23 April 2012.[Original from Columbia University Digitized Aug 18, 2009][GILBERT AND RIVINGTON, LD., ST JOHN'S HOUSE, CLERKENWELL ROAD, LONDON, E.C.]
  • A Critical Evaluation of the Historical Development of the Tactile Modes and Reading and an Analysis and Evaluation of Researches Carried out in Endeavors to make the Braille code Easier to Read and to Write
  • chapter 3: Early British Codes
  • Virtual Exhibition "Signs - Books - Networks" of the German Museum of Books and Writing: Braille

http://abstracts.iovs.org/cgi/content/abstract/46/5/4590