Boeing shop floor in 1991.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...shop_floor.jpg
Previously:
https://www.homemadetools.net/forum/...637#post102089
https://www.homemadetools.net/forum/...3523#post99315
https://www.homemadetools.net/forum/...213#post126424
https://www.homemadetools.net/forum/...831#post144228