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Acoustics test, 1953

Acoustics test, 1953

V500/0067

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Credit

NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY

Caption

Acoustics test. Researcher sitting inside an acoustics duct being used for subjective loudness tests at low frequencies. Photographed in 1953, in the Physics Division of the National Physical Laboratory, Teddington, UK.

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