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      Technology

      A Portable Gasoline Drag Saw

      • By Frank C. Perkins on September 7, 1918
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      ABOUT THE AUTHOR(S)

        Recent Articles by Frank C. Perkins

        • Novel Auto Reel
        • Guide Carriage for Laying Large Sewage Concrete Pipes in Tunnels
        • Inventions New and Interesting- August 4, 1917
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