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Another vintage Elmer Woodward ad from 1905.

c908fcf8dbf685db97878ad1289358e6.jpg Data from Water Power Engineering, circa 1908.ThumbnailsElmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.Data from Water Power Engineering, circa 1908.ThumbnailsElmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.Data from Water Power Engineering, circa 1908.ThumbnailsElmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.

This HORIZONTAL MODEL GOVERNOR TYPE was patented in 1901 under the patent number 679,353 of which is posted in the patent gallery.

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