USS Oregon in dry dock

2500 × 1982

Ship Launching in Duluth

1600 × 1000

Submarine at dock in harbor

2601 × 1772

Worker operating industrial machinery

4500 × 6291

Industrial Panorama of a Steel Town

1200 × 263

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

Train yard with steam locomotives

1700 × 1793

Factory floor with workers

2839 × 2240

Two workers with tools

2094 × 2299

Rail yard with signal bridge

3300 × 2586

Port of Lyttelton, New Zealand

1600 × 1000

Zeppelin airship in flight

1828 × 1292

Zeppelin airship on ground

3958 × 3105

Ship propellers in dry dock

1800 × 1405