|Description:||Miner in U.S. Smelting, Refining, & Mining Company mine, unknown location. Original caption: ”Jeffrey Aerodyne Fan, 125 H.P., Capacity 125,000 C.F.M. Main ventilating fan at Lark Section, located at bottom of Yosemite No. 2 Incline. Intake side.”|
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.