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 Parable of the Blind (novel) The Parable of the Blind (novel) Der Blindensturz (1985) (translated as The Parable of the Blind) is the title of short novel in ten chapters by German writer Gert Hofmann. Inspired by "Parabel der Blinden" (1568), a painting by Netherlandish artist Pieter Bruegel, the novel tells the story of the work's creation from the point of view of the six blind men depicted in the painting. The story is recounted in the present tense, first person plural. The "we" that comprises the six blind men often seems to consist of one entity; however, most of the men have separate names