The Successful Prevention of Silicosis among China Biscuit Workers in the North Staffordshire Potteries*

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RESUMO

The pottery industry in North Staffordshire was established towards the close of the seventeenth century. At first the wares which were made from local clays were rather crude but manufacturers unremittingly sought to improve the quality of their productions by the addition of other ingredients to the clays. In 1720 calcined powdered flint was introduced into the clay body. Six years later Benson described the serious effects of the dust on the lungs of millmen engaged in dry flint crushing. Later the disease became very prevalent not only among millmen but among workmen, males and females, in a wide range of pottery occupations and processes. Popularly the disease was known as potters' asthma or potters' rot, which was later identified scientifically as silicosis.

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