Sounds in the silent deep
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The air-water boundary as an effective sound barrier to the human ear. Development of the hydrophone and sonar as tools for listening beneath the sea. Examines research into underwater sound.
Copyright
Registered 17Feb72 · MP22468 (Jan-Jun 1972) Copyright holder: Moody Institute of Science
Sources
- 16mm Filmography (legacy record) — title, year, creator, length, format, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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