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-245 Braille pattern dots-245 The Braille pattern dots-245 ( ) is a 6-dot braille cell with the top right and both middle dots raised, or an 8-dot braille cell with the top right and both upper-middle dots raised. It is represented by the Unicode code point U+281a, and in Braille ASCII with J. In unified international braille, the braille pattern dots-245 is used to represent a voiced palatal affricate, fricative, or approximant, such as /dʑ/, /ʑ/ or /j/, and is otherwise assigned as needed. It is also used for the number 0. Related to Braille pattern dots-245 are Braille patterns 2457,