B-29 bomber assembly line

1280 × 1020

Jet fighter assembly line

1200 × 812

Factory floor with workers

2839 × 2240

Hand Cleaning Belts at Blackhall

1456 × 1040

Factory workers at a machine shop

1029 × 1024

Factory workers at their stations

2200 × 1723

Factory workers in warehouse

2300 × 1830

Vintage car exiting factory

1600 × 1000

Industrial site with smokestack

1024 × 725

Steam locomotives in a repair shop

2000 × 2116

Great Lakes Engineering Works

4000 × 3154

Hand Cleaning Belts at Blackhall

1504 × 1040