Writing systems introduced in the 1830s

writing system constructed in the 1830s for the Vai language in Liberia

thumb|A sample of decapoint. The relative efficiency of braille can be seen, as the line at the bottom is the braille transcription for the first two lines of decapoint: je vous prie de commander une planche pour la grille ci-jointe thumb|The decapoint alphabet, digits, and punctuationthumb|