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Rudolph Naatz

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German

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Patent Model - Improvement in Cutter-Heads for Frizzing-Machines

Patent Model - Improvement in Cutter-Heads for Frizzing-Machines; May 14 1878; 2016.10.91a,b;

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AT HAGLEY, we invite people of all ages to investigate and experience the unfolding history of American business, technology, and innovation and its impact on the world, from our home at the historic DuPont powder yards on the banks of the Brandywine River

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