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  1. Power and the plow,
    By: Ellis, L. W. - Rumely, Edward A.
    Publication info: Garden City, N.Y.,Doubleday, Page & company,1911.
    Contributed by: University of California Libraries (archive.org)
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  2. Rumely oil-pull tractor.
    By: Rumely, Edward A.
    Publication info: La Porte, Ind.,c1909.
    Contributed by: University of California Libraries (archive.org)
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