Newcastle-upon-Tyne

Similar statements were made in Britain, where the growing white lead industry in Newcastle-upon-Tyne caused waves of illness and even death among women workers: Dr Charles T. Thackrah had early on denounced the serious intoxications linked to the use of lead in industry and described the main symptoms allowing the disease to be diagnosed and patients to be distanced from the source of poisoning (1831), as had Henry Burton, who stated that a greyish coloration of the gums was an unmistakable symptom of lead poisoning, then known as the "Burtonian line" (1840).

2021, Judith Rainhorn, The Colour of Controversy..., pp. 8–9