Steam locomotives in a factory

1300 × 1428

Railway bridge under construction

1800 × 1664

Factory construction site

1284 × 997

Airship over industrial plant

1440 × 900

Steam train emitting smoke

1680 × 1050

steam engine wheel mechanism

2254 × 1500

Steam locomotive at a rail yard

2310 × 1643

Lehigh Valley steam locomotive

1974 × 1560

Ship under construction at shipyard

3264 × 2448

Shipyard workers installing a cannon

1433 × 1129

Shipyard workers at stern

1920 × 2322

Construction site by river

2666 × 1951

Abandoned industrial railway

1920 × 1200

Construction workers on a skyscraper

1280 × 800

Construction workers with headphones

1920 × 1080

Vintage train in sepia tones

1920 × 1200

Construction workers on beam

1920 × 1200

Workers on a construction site

1024 × 676

construction workers with female lead

5125 × 3412

construction workers team

4057 × 3444