Steam locomotive at night

1600 × 1200

Women Working in Factory

1400 × 1044

Great Lakes Engineering Works

4000 × 3154

Workers in Factory — Black, Industrial, Photograph

1029 × 1024

Factory Workers at Machines — Black

2200 × 1723

Factory workers at a machine shop

1029 × 1024

Factory workers in warehouse

2300 × 1830

Factory Workers at Belts

1456 × 1040

Workers on Conveyor Belts

1504 × 1040

Factory floor with workers

2839 × 2240

Industrial Shipyard

3000 × 2388

Industrial site with smokestack

1024 × 725