Telecommunications devices for the deaf -- United States -- History

Overview Collection contains two vistaphones and a modem. Vistaphones were video telephones that enabled the deaf to have have telephone conversations using sign language. Vistaphones were manufactured by Stromberg-Carlson, a subsidiary of General Dynamics and a telecommunications equipment and electronics manufacturing company in the United States. NTID experimented with Vistaphones, eventually installing more than 30 of the devices. Because of special wiring needs, Vistaphones could only be used...