Factory workers at their stations

2200 × 1723

Factory workers in warehouse

2300 × 1830

Workers at a port construction site

1000 × 661

Avant-Guard workers in San Francisco

1865 × 1815

Mechanics working in a garage

959 × 762

Industrial waterfront with drawbridge

2500 × 2065

Industrial crane at a port

2600 × 2021

Worker operating industrial machinery

4500 × 6291

Industrial Panorama of a Steel Town

1200 × 263

Steam locomotives in a repair shop

2000 × 2116

City skyline with train yard

1700 × 1115

Ship in dry dock for maintenance

3600 × 4517

Ship in Dry Dock

1920 × 1200

Detroit waterfront in 1906

4000 × 3181

Construction of a steel-framed building

2232 × 1690

Mining equipment in a coal mine

1264 × 1696

Blackhall Colliery from South

1376 × 944

Hand Cleaning Belts at Blackhall

1456 × 1040

Hand Cleaning Belts at Blackhall

1504 × 1040

Blackhall Colliery from the North East

1259 × 876