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January 12, 1929, Vol 92, No. 2 >
ARTICLE | January 12, 1929

BERLIN

JAMA. 1929;92(2):163-164. doi:10.1001/jama.1929.02700280067029.
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ABSTRACT

Protection Against Industrial Noise  There are few branches of industry in which work is accomplished without noise, whereas there are many in which the noise is so great that the ears of the workmen suffer from it. That is not true of all workmen, however, as some persons are able to work for long periods amidst loud noise without sustaining any ear disorder or weakening of hearing; but the percentage of such persons is not high. According to recent statistics, it has been found that in boiler works about 72 per cent of the workmen have an impaired sense of hearing. A large percentage of weavers also, especially those employed on heavy cloth and carpet looms, have impaired hearing. Exact figures cannot be given as yet, for the present statistical material is based on investigations in Russia and is not comparable with German statistics. Investigators in this field have reached

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