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There is a page named "File:Annual report of the Commissioner of Patents - U.S. Department of Commerce, Patent Office. Volume 3, 1866. (IA s607id13664420).pdf" on Wikipedia
- Annual report of the Commissioner of Patents / U.S. Department of Commerce, Patent Office. Volume 3, 1866. ( ) Author Annual report of the Commissioner...(1,279 × 2,135 (123.88 MB)) - 20:46, 26 August 2023