e/Slate and stylus

Information
has gloss	eng: The slate and stylus are tools used by blind persons to write text that they can read without assistance. Invented by Charles Barbier and Louis Braille as the tool for "writing" Braille, the slate and stylus allow for a quick, easy, convenient and constant method of making embossed printing for Braille Character encoding. Prior methods of making raised printing for the blind required a movable type printing press.
lexicalization	eng: slate and stylus
instance of	c/Tactile alphabets

Media
media:img	Six Principal Systems of Embossed Type.jpg
media:img	Slate and Stylus 3.jpg