JF Ptak Science Books Quick Post
This fine design belongs to the Cincinnati Shaper Company (Cincinnati, Ohio and "Pioneers of he Steel Press Brake") Catalog B-1, displaying and promoting their massive and extremely powerful machines for forming shapes in metal. These were true and beautiful beasts of machinery, ready to punch and curve and trim and notch all manner of metal. And the cover of their catalog gets that point across very nicely:
...which is a detail from:
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