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
History of the Cherokee language sorcery. After completing the lessons, Sequoyah wrote a dictated letter to each student, and read a dictated response. This test convinced the western Cherokee that he had created a practical writing system. When Sequoyah returned east, he brought a sealed envelope containing a written speech from one of the Arkansas Cherokee leaders. By reading this speech, he convinced the eastern Cherokee also to learn the system, after which it spread rapidly. In 1825 the Cherokee Nation officially adopted the writing system. From 1828 to 1834, American missionaries assisted the Cherokee in using Sequoyah's syllabary to develop type characters and print