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

Factory workers placing tires into molds, ca.1930 

Factory worker standing behind a tire-production machine, ca.1930 

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

Factory worker applying a tool to a tire, ca.1930 

Three factory workers inspecting tires, ca.1950 

Three workers rolling a large tire, ca.1950 

Multiple factory workers completing a final inspection on tires, ca.1930 

Factory worker using tire vulcanizing molds, ca.1930 

Three workers unloading tires from a rail car, ca.1950 

Three workers unloading tires from a rail car, ca.1950 

Factory workers loading and unloading molds in a tire factory, ca.1930 

Two workers loading large tires onto a railway car, ca.1950 

Two workers pulling a rubber tire from its mold at an unidentified factory in California Heights, 1930-1940 

Factory worker working with large machinery, ca.1950 

Close-up of machinery in a rubber factory, ca.1945 

Three factory workers making beads (treads?) and working with machinery, ca.1945 

Birdseye view of the Goodyear Tire and Rubber Company factory, ca.1930 

Workers removing a tire from a mold in a Los Angeles tire factory, ca.1930 

Birdseye view of the Goodyear Tire and Rubber Company factory, showing surrounding residential area, ca.1930