411 REFERENCE · Wiktionary
Edelcrantz system
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Invented by Abraham Niklas Edelcrantz.
Proper noun
1
en historical A system of telegraphy consisting of a set of ten shutters arranged in columns representing binary-coded octal digits.
en Chappe system
Related terms
en Edelcrantz code
en eponyms