PI 6 Extra Sense Assistive Listening Devices for the Hearing Impaired 1985
Uploader: House Institute
Original upload date: Wed, 31 Aug 2016 00:00:00 GMT
Archive date: Wed, 01 Dec 2021 00:06:38 GMT
H.P. House, MD; L. McLean, MA; Nanette Fabray
Devices on the market today can signal a hearing-impaired
individual to the telephone, the doorbell, the baby crying, or
even a safety alarm. Nanette Fabr
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