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Symbolic frieze suggesting the workers' physical and social hazards
Texas Centennial Exposition, Dallas, Texas. Public domain photograph - historical image of Texas, United States, free to use, no copyright restrictions image - Picryl description
General view of the Department of Labor exhibit, Federal Building
Texas Centennial Exposition, Dallas, Texas, exhibit featuring talking robot. Public domain photograph of city center, downtown, free to use, no copyright restrictions image - Picryl description
"I am a mechanical man built by human hands"
Robot at Texas Centennial Exposition, Dallas, Texas. Public domain photograph - historical image of Texas, United States, free to use, no copyright restrictions image - Picryl description