| Description: | Machinery in a Connecticut hat making plant that was part of the 1937-1938 USPHS study of mercurialism and its control in the fur felt hat making industry.
The NIOSH Historic Photo Collection began as the “picture file” of the Industrial Hygiene Division of the U.S. Public Health Service (USPHS), c. 1930-1960. It is a unique collection of mid-20th Century images of American workers and workplaces and documents occupational safety and health research of that era. The collection consists of approximately 1,000 original photographs and schematic drawings. |
