Equipment that provides mentally or physically disabled persons with a means of communication. The aids include display boards, typewriters, cathode ray tubes, computers, and speech synthesizers. The output of such aids includes written words, artificial speech, language signs, Morse code, and pictures.
    

concept

Light for the blind : a history of the origin and success of Moon's system of reading (embossed in various languages) for the blind / by William Moon, LL.D., F.R.G.S.

Communication Devices for People with Disabilities

Images

Catalogue

Making disability modern : design histories / edited by Elizabeth Guffey and Bess Williamson.

Using 'Talking Mats'® to help people with dementia to communicate / Joseph Rowntree Foundation.

Talking Mats 2013 images ... : digital talking mats / Talking Mats Ltd.

Including you : BT's guide to help you communicate / British Telecommunications plc.

Light for the blind : a history of the origin and success of Moon's system of reading (embossed in various languages) for the blind / by William Moon, LL.D., F.R.G.S.