Workers on a large industrial structure

2000 × 2503

Car assembly in early 1900s factory

1920 × 1200

Men in factory with large machine

3030 × 3870

Factory workers at a machine shop

3000 × 2376

USS Curtiss AV-4 ship

1339 × 1105

Two figures in protective gear

1280 × 1024

Ship Launching in Duluth

1600 × 1000

Niagara Falls Mill District 1899

1024 × 768

Victorian-era band photo

1280 × 1024

Industrial waterfront with drawbridge

2500 × 2065

Industrial rail yard with smokestacks

3000 × 2329

Great Lakes Engineering Works

4000 × 3154