Anthraco-silicosis among hard coal miners / from the Office of Industrial Hygiene and Sanitation, R.R. Sayers ; prepared by direction of the Surgeon General.

  • United States Public Health Service
Date:
1936
Catalogue details

Licence: Public Domain Mark

Credit: Anthraco-silicosis among hard coal miners / from the Office of Industrial Hygiene and Sanitation, R.R. Sayers ; prepared by direction of the Surgeon General. Source: Wellcome Collection.

    160/180 (page 96)
    “popNfouy o10M SZUNI OY} JO SISO[NDIEGN} [BOUT] JO SESBH ¢ 400} 400} O1qnd | orqno 10d o1qnd | orqno sed esodxe | Pesodxe pesodxe p e s10q}0 ITV $1030 [[V 10440 ITV $104}0 ITV