Machining marine pinion gears at the Falks Steelworks in Milwaukee, Wisconsin, c. 1969.
https://diqn32j8nouaz.cloudfront.net...inion_gear.jpg
Previously:
https://www.homemadetools.net/forum/...515#post110808
https://www.homemadetools.net/forum/...850#post108698
https://www.homemadetools.net/forum/...034#post164634
https://www.homemadetools.net/forum/...458#post162192
https://www.homemadetools.net/forum/...3582#post99502
