Annual report of the Commissioner of Patents for the year .. (1867)
United States. Patent Office · Washington : G.P.O · leaf 160
150 REPORT OF THE 61933— W. Gale— Straw Cutter. … 61938 — A. Hitchcock — Machine Gearing C5 w D a r77^////////////Zm^^77M777777>x •S : J CD O I £ Q J^ mm ta
United States. Patent Office · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
