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Testing motor horns, 1929

Testing motor horns, 1929

V310/0129

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Credit

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

Caption

Testing motorcar horns. Researchers from the National Physical Laboratory assessing the quality of sound from various types of motorcar horns. Photographed in 1929.

Release details

Model release not available. Property release not required.

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