Cutting teddy bear skins

1800 × 1309

Women working in a factory

3124 × 3684

Car assembly in early factory

1366 × 768

Women working on aircraft assembly

1300 × 1034

Group of workers in a factory

1400 × 991

Women working in a factory

1400 × 1044

Child labor at a mine site

1200 × 869

Factory workers in textile mill

1400 × 996

Industrial rail yard with smokestacks

3000 × 2329

Women painting aircraft parts

1100 × 1375

Workers in an industrial factory

1600 × 1214

Niagara Falls Mill District 1899

1024 × 768