 Nyora kupfuurira kweiyi ndima - Pashure pokuunzwa kwedekapoint, Braille akapa betsero kushamwari yake Pierre-François-Victor Foucault, uyo akanga achishanda pakuvandudza Raphigraphe yake, gadziriro iyo yaigona kudhinda tsamba nenzira yomuchina wokunyora. Muchina waFoucault wakarumbidzwa somubudiriro mukuru uye wakaratidzirwa paWorlds FairmuParis muna 1855. 