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A tactile alphabet is a system for writing material that the blind can read by touch. While currently the Braille system is the most popular and some materials have been prepared in Moon type, historically, many other tactile alphabets have existed: Systems based on embossed Roman letters: Moon type; Valentin Haüy's system (in italic style)
The first books embossed at the American Printing House for the Blind in 1866 were in Boston line letter. By 1868, N.B. Kneass, Jr., a printer in Philadelphia, had adapted what became known as a "combined system" which used the lower case forms of Boston line letter and capital letters from a rival tactile system known as Philadelphia Line. [2]
The Moon alphabet, including some contractions. As with braille, there is a Grade 1 using one Moon character per one Latin character and a Grade 2 using contractions and shorthand that make texts more compact and faster to read, though requiring more study. [3]
Tactile signing is a common means of communication used by people with deafblindness. It is based on a sign language or another system of manual communication . "Tactile signing" refers to the mode or medium, i.e. signing (using some form of signed language or code), using touch .
"Other forms of manual deafblind alphabet are used around the world - eg. The Lorm Deafblind Manual Alphabet (Belgium). [1] In some countries, eg. Sweden, the one-handed alphabet used is modified by applying the shape of the letter into the hand of the person who is deafblind at a different angle, making the shape easier to feel."
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We can say for sure that lots of people are interested in AI and that building it out is hella expensive, but time will tell if we’re witnessing the effects of hype or something more sustainable.