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The report of the Wilson Committee on Noise has brought into prominence the subject of routine audiometry in industry. When measuring the hearing thresholds of employees subjected to high level noise, industrial concerns frequently find difficulty in providing a suitable acoustic environment. A simple, economic, mobile audiometric unit mounted on a two-wheeled trailer chassis is described. The design and construction details are given, together with the attenuation of the Unit in two different noise fields.
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Taylor et al. (1964) studied this question.
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