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
Christian Record Services for the Blind parents can read or vice versa. Transparent plastic sheets with Braille dots printed on them accompany the large-print text. Sighted parents can teach their children to read, or sighted children can read the print while mom or dad reads the Braille portion of the page. Christian Record Services for the Blind Christian Record Services for the Blind (Christian Record Services, Inc., CRSB) is a non-profit organization that serves people who are legally blind and visually impaired. "Christian Record Services for the Blind is an international organization serving blind and visually impaired individuals in approximately 70 countries worldwide and employs about