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Amos Woodward pump patent 222,116, circa 1879.

Amos Woodward pump patent 222_116_ circa 1879_001.jpg Amos Woodward pump patent 222,116, circa 1879.ThumbnailsAmos Woodward's First Patent from May 1870.Amos Woodward pump patent 222,116, circa 1879.ThumbnailsAmos Woodward's First Patent from May 1870.Amos Woodward pump patent 222,116, circa 1879.ThumbnailsAmos Woodward's First Patent from May 1870.Amos Woodward pump patent 222,116, circa 1879.ThumbnailsAmos Woodward's First Patent from May 1870.