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Patent Drawing for M. E. Knight's Spit

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Summary

Utility Patent Drawings

Famous patent drawings from The National Archives, Washington DC

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patent knight pt1 national archives at college park cartographic patent application patents 19th century patent drawings old patents high resolution ultra high resolution utility patent drawings
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Date

03/02/1885
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Patents from The National Archives

Famous patent drawings from The National Archives
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Source

The U.S. National Archives
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Link

https://catalog.archives.gov/
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label_outline Explore Pt 1, National Archives At College Park Cartographic, Utility Patent Drawings

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patent knight pt1 national archives at college park cartographic patent application patents 19th century patent drawings old patents high resolution ultra high resolution utility patent drawings