Chorded keyboard (a writing system for the blind) uses either 6 or 8 tactile 'points' from which all letters and numbers are formed. When Louis Braille invented it, it was produced with a needle holing successively all needed points in a cardboard sheet. In 1892, Frank Haven Hall, superintendent of the Illinois Institute for the Education of the Blind, created the Hall Braille Writer, which was like a typewriter with 6 keys, one for each dot in a braille cell. The Perkins Brailler, first manufactured in 1951, uses a 6-key chord keyboard (plus a spacebar) to produce braille output, and has been
The Blind reader with the effect of hope on the latter. Unlike most other theatrical pieces "The Blind" does not introduce its readers to readily shaped characters, but twelve de-personalised beings. These beings were not provided with names but titles describing their general condition, for instance "the eldest blind man". This method of writing gives an audience, or theatre professional an opportunity to read between the lines and interpret the piece according to personal desire. Maeterlinck has since been considered as the founder of a new type of dramatic writing, "Symbolism". Parallels have often been drawn with Samuel Beckett’s "Waiting for Godot",