Deaf -- Means of communication
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
John Ratcliffe collection of communication devices for the deaf
Collection — Multiple Containers
Identifier: RITDSA-0155
Overview
Collection of communication and noise alerting devices for the deaf used by donor John Ratcliffe throughout his life. Items included are doorbell signals, flashing lights, vibrating devices, and Telecommunication devices for the deaf (TDDs) that assisted those living without hearing.
Dates:
circa 1955-2015
Found in:
RIT Archives
