Furniture plant with workers, ca.1930 

Interior of a factory with metal workers, ca.1930 

Plant interior showing workers assembling transformers, ca.1930 

Group of women workers for Ircal Industries adjusting knobs on panels, ca.1940 

Interior of an unidentified factory where a worker is "machining heat exchanger bodies", ca.1930 

Two male workers inside a factory, ca.1930 

Three workers inside a factory, surrounded by large sacks, ca.1930 

Two unidentified workers lowering chains in a factory, ca.1930 

Male and female workers handling cases of electronic equipment and wiring, ca.1960 

Women workers on assembly line at the International Telemeter Corporation, ca.1940 

Women workers with orange x-ray machines, ca.1930 

Unidentified factory interior, showing workers adjusting a small slab beneath a large machine, ca.1930 

Worker at the Reed and Reese Incorporated plant in Pasadena, ca.1950 

Women workers making decorative basket covers, ca.1935 

Factory workers operating on machinery, showing pallet of buckets in foreground, ca.1930 

Lines of women workers in an electronics factory, showing some working on large disks, ca.1950 

Women workers in an unidentified electronics office, ca.1950 

Workers crating large products for the Montgomery Ward Company , ca.1930 

Workers showing a method of pipe bending at the Crane Company, ca.1920 

Interior view of unidentified factory, showing a single worker standing near the turbines, ca.1935