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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)
where the word premier, French for "first", can be read. Braille was based on a tactile code, now known as night writing, developed by Charles Barbier. (The name "night writing" was later given to it when it was considered as a means for soldiers to communicate silently at night and without a light source, but Barbier's writings do not use this term and suggest that it was originally designed ...
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]
Older browsers may not support the latter. NYP letters should only be as wide as their number of dots. However, since 2×3 braille cells are substituted for New York Point in the second row of their table, the one-dot-wide letters e, i, and t are wrongly shown as being as wide as others. The same inaccuracy occurs with the nine, zero, comma ...
tactile alphabet: Universal Decimal: 003.24 ... Pages in category "Tactile alphabets" The following 10 pages are in this category, out of 10 total. ... Boston line ...
The Luxembourgish Braille alphabet started off as a reduced set of the letters of the French Braille alphabet, the basic 26 plus three letters for print vowels with diacritics: ⠿ é, ⠫ ë, ⠜ ä. With the shift to eight-point script, these three acquired an extra dot at point 8. The letters are thus:
GS6 implements "extra-dot" numerals [25] from the fourth decade of the English Braille alphabet (overwriting various two-letter ligatures). GS8 expands the braille-cell from 2×3 dots to 2×4 dots, quadrupling the available codepoints from the traditional 64 up to 256, but in GS8 the numerals are still represented in the same way as in GS6 ...
The 64 braille patterns are arranged into decades based on the numerical order of those patterns. The first decade are the numerals 1 through 0, which utilize only the top and mid row of the cell; the 2nd through 4th decades are derived from the first by adding dots to the bottom row; the 5th decade is created by shifting the first decade downwards.
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