Abstract
THE Departmental Committee of the Ministry of A Transport, which was appointed in August 1934 to consider the source and prevention of the noises from mechanically propelled vehicles on the road, has issued its fourth and final report*, this time on the subject of warning devices. The Committee, to the work of which we have previously referred, and of which Dr. G. W. C. Kaye has been chairman since shortly after its inception, arranged for experimental measurements to be made of the noise levels ofsome forty present-day warning devices, in relation to both the annoyance which they excite and their degree of effectiveness under representative road conditions. The measurements were carried out for the Committee by the National Physical Laboratory as heretofore.
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Noise on the Road. Nature 141, 698 (1938). https://doi.org/10.1038/141698a0
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DOI: https://doi.org/10.1038/141698a0