American Morse code standard for U.S. landline telegraph companies, including the dominant company, Western Union, in part because the original code, with fewer dashes, could be sent about 5% faster than International Morse. American Morse also was commonly used for domestic radio transmissions on the Great Lakes, and along the Atlantic and Pacific coasts. However, International Morse predominated for ocean-going vessels, and many U.S. shipboard operators became skilled in transmitting both versions of the Code as needed. As already mentioned, American Morse is less suitable for use on cables because of the high density of dots. However, this same feature, together with the
Braille pattern dots-256 Braille pattern dots-256 The Braille pattern dots-256 ( ) is a 6-dot braille cell with both middle, and the bottom right dots raised, or an 8-dot braille cell with both upper-middle, and the lower-middle right dots raised. It is represented by the Unicode code point U+2832, and in Braille ASCII with the number 4. In unified international braille, the braille pattern dots-256 is used to represent punctuation, and otherwise as needed. Related to Braille pattern dots-256 are Braille patterns 2567, 2568, and 25678, which are used in 8-dot braille systems, such as Gardner-Salinas and Luxembourgish Braille. In the Japanese kantenji