|Description:||Pre-plating operation at Crown Cork and Seal Company, Baltimore, Maryland in April 1953. Original caption: “#12 Pre-plating operation. Vat containing hot water is used to rinse off sulphuric acid, which removed scale from metal before it is plated with copper, nickel, etc. Note exhaust fumes being drawn to right side and up exhaust stack.” The photograph was probably made as part of a study by the U.S. Public Health Service, Industrial Hygiene Division.|
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.