American Braille
Braille alphabet used in the US before the adoption of standardized English braille / From Wikipedia, the free encyclopedia
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American Braille was a popular braille alphabet used in the United States before the adoption of standardized English Braille in 1918. It was developed by Joel W. Smith, a blind piano tuning teacher at Perkins Institution for the Blind in Boston, and introduced in 1878 as Modified Braille. In 1900 it was renamed American Braille.[1]
American Braille Modified Braille | |
---|---|
Script type | Alphabet
|
Time period | 1878–1918 |
Print basis | English alphabet |
Languages | English |
Related scripts | |
Parent systems | Braille
|
Rather than ordering the letters numerically, as was done in French Braille and the (reordered) English Braille also used in the US at the time, in American Braille the letters were partially reassigned by frequency, with the most-common letters being written with the fewest dots. This significantly improved writing speed with the slate and stylus, which wrote one dot at a time, but lost its advantage with the braille typewriters that became practical after 1950.
American Braille was the alphabet used by Helen Keller.[citation needed]