Nova Season 4 Episode 18
Episode Title: Across the Silent Barrier
Countries:
USA,
Airing Date: June 22, 1977
Runtime:54 mins
IMDb Rating:
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NOVA : NOVA explores the different means by which hearing-impaired people have learned to penetrate the world of the hearing by visiting with Kitty O'Neil�a woman record-holding speed car racer; Frances Parsons, an advocate of hearing-impaired persons' rights; and workers at Silent Industries�a factory in Los Angeles founded by a deaf man.