Young woman posing with model of aviation field for National Air Races, 1928 

Interior lobby at the Garret Corporation's AiReasearch Aviation Service Division, Los Angeles International Airport, ca.1961 

North American Aviation Company building, ca.1960 

Pacific Gypsum Tile Company plant showing Southern Pacific tracks, 1925 

Three women walking by the exterior of the North American Aviation Downey airplane factory, September 1950 

Workers packing celery in Playa Del Rey, 1925 

Exterior of the International Paper Company dissolving pulp mill, 1958 

View of Clay Street, showing earthquake damage to surrounding buildings, San Francisco, 1906 

Unfinished planes at Kinner Aircraft Company's plant, ca.1930 

Woman with Hughes Aircraft Company's manufactured silicon semiconductors, ca.1950 

Douglas World Cruisers being constructed at the Douglas Company's Santa Monica Plant, ca.1925 

Interior of the North American Aviation airplane factory, September 1937 

Wilson & Company cooler showing butchers quartering beef, ca.1930 

Interior of the Douglas Company's Santa Monica Plant, ca.1920 

Poured ingots at the Columbia Steel Corporation, ca.1925 

Supervisor and worker at the General Telephone Company test panel, ca.1940 

Large group of male students in a theory class on aeronautics, ca.1940 

Man loading banana crops, ca.1925 

Airplane parked at Rogers Airport with Rogers Aircraft Incorporated building in the background, ca.1922 

Exterior of an unidentified factory, showing the outlines of a porch in the foreground, ca.1925