Night writing (nonfiction): Difference between revisions
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== Fiction cross-reference == | == Fiction cross-reference == | ||
* [Night Writers Anonymous]] | * [[Night Writers Anonymous]] | ||
== External links == | == External links == | ||
* [http://wiki.karljones.com/index.php?title=Night_writing Night writing] @ wiki.karljones.com | |||
* [https://en.wikipedia.org/wiki/Night_writing Night writing] @ Wikipedia | * [https://en.wikipedia.org/wiki/Night_writing Night writing] @ Wikipedia | ||
Revision as of 11:28, 14 May 2016
Night writing, aka sonography, was a system of code that used symbols of twelve dots arranged as two columns of six dots embossed on a square of paperboard, and is now remembered as the forerunner of Braille.
Description
It was designed by Charles Barbier in response to Napoleon's demand for a code that soldiers could use to communicate silently and without light at night.
Called sonography, each grid of dots stands for a character or phoneme.
Barbier's system was related to the Polybius square, in which a two-digit code represents a character. In Barbier's variant, a 6×6 matrix includes most of the characters of the French alphabet, as well as several digraphs and trigraphs.
Nonfiction cross-reference
Fiction cross-reference
External links
- Night writing @ wiki.karljones.com
- Night writing @ Wikipedia