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  1. Industrial Applications of Ultrasonics (1950 Film)

    Director
    Jack Chambers
    Subject
    Physics
    Distribution
    Film (16mm)

    Energy of sound waves, range of audible frequencies; ultrasonics in nature (bats and Galton Whistle). Sound generators - loudspeakers, magnetostrictor, quartz transducer. Properties of ultrasonics;...

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  2. Holography at Work (1977 Video)

    Producer
    Jim Burge; Tony Jolly
    Subject
    Physics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    Shows the use of holographic interferometry to record minute surface deformations on objects, particularly to study vibrating objects. Shows interference fringes in real time produced by a hologram....

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