I got email notification that mansworld responded to this thread but I don't see it here? Wonder why?
Steam donkey crew. Vancouver, BC. 1917.
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Blacksmiths. Despatch, NY. 1904.
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OBI (Open Back Inclineable) are punch presses, separating bits from strip stock in blanking, coining, forming, punching, and piercing. That baby is inclined as far as it will go!
Machine in use at left front of photo is a bulldozer. Nowadays mostly for compressing scrap into bundles, they were the forming machines. Lots of them in shipyards. Gobs of mechanical power, slow moving ram. It looks like the men are making something like frame cross members or springy bumper reinforcements. OBI's are capable of such operations but modern production uses tonnage in forming compared to rapidly closed dies. For some products, metal likes a second to flow into a shape other than flat. Fast hits create different characteristics.
It interested me being labeled as blacksmiths; they certainly are, mechanized at that. Can't imagine trying to meet production of parts like that with a sledgehammer.
...we'll learn more by wandering than searching...
For topical application, only. Not to be taken internally or used in com-
bination with other drugs or alcohol, except as directed by your shaman.
Do not operate heavy equipment, unless you actually know how to.
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