Exterior view of an unidentified electrical plant, [s.d.] 

Workers inside an office at an unidentified electronics plant, ca.1940 

Oil fire at an unidentified oil field, showing workers shoveling dirt, [s.d.] 

Women workers in an unidentified electronics office, ca.1950 

Workers assembling dashboards for automobiles in an unidentified factory, [s.d.] 

Workers examining the wreckage during an oil fire at an unidentified oil field, [s.d.] 

Workers monitoring tire molds at an unidentified Los Angeles factory, [s.d.] 

Workers mixing and milling crude rubber and various compounds at the Goodyear Tire and Rubber Company plant, [s.d.] 

Factory worker manipulating a tube tire with machinery, ca.1930 

Woman working inside a tunnel of machinery, [s.d.] 

Factory worker manipulating a large white tire with machinery, ca.1930 

Close-up view of factory worker adjusting a lidded piece of machinery, ca.1950 

Oil fire at an unidentified oil field, showing a melting derrick, [s.d.] 

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

Workers lowering machinery inside the Northrop Corporation's Plant, ca.1950 

Man on the rigging of an electrical power plant, [s.d.] 

Man on the rigging of an electrical power plant, [s.d.] 

Exterior aerial view of an unidentified factory, [s.d.] 

Electronics (?) plant with workers, ca.1940 

Oil fire at an unidentified oil field, showing a building in the foreground, [s.d.]