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Original patent, dated 13th September, 1794, for machinery for Maritime use, developed by Benjamin Wynkoop of Philadelphia, Pa
Historical Society of Pennsylvania - Closed Stacks Doc. Box 42:1
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- Format:
- Book
- Language:
- English
- Subjects (All):
- Wynkoop family.
- Patents.
- Notes:
- From the estate of Dr. James Wyncop. Folder 1.
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