Chorded keyboard (a writing system for the blind) uses either 6 or 8 tactile 'points' from which all letters and numbers are formed. When Louis Braille invented it, it was produced with a needle holing successively all needed points in a cardboard sheet. In 1892, Frank Haven Hall, superintendent of the Illinois Institute for the Education of the Blind, created the Hall Braille Writer, which was like a typewriter with 6 keys, one for each dot in a braille cell. The Perkins Brailler, first manufactured in 1951, uses a 6-key chord keyboard (plus a spacebar) to produce braille output, and has been
Dot to Dot Festival Dot to Dot Festival The Dot to Dot Festival is an annual music festival held at various venues in Nottingham, Bristol and Manchester across a weekend. Unlike weekend music festivals such as the Reading and Leeds Festivals, there is no artist rotation – all artists play one city the first day and travel to the other for the following day. The 2018 festival will be taking place in Manchester on 25 May, Bristol on 26 May and Nottingham 27 May The 2018 line-up so far includes The Horrors, Dermot Kennedy, Pale Waves, Marika Hackman, Mahalia, Turnover, The Snuts, Bad Sounds,