Night writing visited the National Institute for the Blind in Paris, France, where he met Louis Braille. Braille identified the major failing of the code, which was that the human finger could not encompass the whole symbol without moving and so could not move rapidly from one symbol to another. His modification was to use a six-dot cell, the Braille system that revolutionized written communication for the visually impaired. Night writing Night writing, a.k.a. sonography, was a system of code that used symbols of twelve dots arranged as two columns of six dots embossed on a square of paperboard, and is now
Missouri School for the Blind handling its operation. Although more than one claim has been made regarding the title of "first braille printing press in the United States," some authorities have clearly awarded that title to the Missouri School. Harvard professor Gabriel Farrell states definitively, "The first real printing press for the blind in the United States was invented and operated by Henry Robyn, head of the music department at the Missouri School for the Blind, in 1865." Missouri School for the Blind The Missouri School for the Blind is an educational institution in the United States specially designed for students who are blind or