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Report of the Commissioner of Patents for the year .. (1849)
United States. Patent Office · Washington : Office of Printers to House of Reps. · leaf 96
86 REPORT OF THE CO ^ II c^ "*j ©■ M PP* ■r--i ■ — ~ U oa 41010 … 41045 ESIUnited States. Patent Office · Patents · Agriculture
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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