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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

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  • Names: Rochester Institute of Technology. Publishing and Printing Department X