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The Hagley Digital Archives provides online access to selected items from the Hagley Library's collection of images, documents, and publications related to the history of business, technology, and society.
Patent issued to Engineer John Billwiller in Durlach in Bavaria and Dr. John Billwiller in Goldach-Rorschach in Switzerland
Copy of patent for process for making yarn from fiber.
John J. Raskob papers (Accession 0473)
Skinner, Sherman & Esselen, Inc.
File 201, Folder 'Billwiller Patent'
Manuscripts and Archives Department, Hagley Museum and Library
[Description and dates], Hagley ID, Box/folder number, John J. Raskob papers (Accession 0473), Manuscripts and Archives Department, Hagley Museum and Library, Wilmington, DE 19807
1 item (4 pages)
Esselen, Gustavus John, 1888-
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Raskob, John J. (John Jakob), 1879-1950