The SciencesA Gasoline Motor Plow, A Three-Axle Water Ballast Motor Roller and moreBy Frank C. Perkins on December 6, 1913AdvertisementABOUT THE AUTHOR(S)Recent Articles by Frank C. PerkinsA Portable Gasoline Drag SawNovel Auto ReelGuide Carriage for Laying Large Sewage Concrete Pipes in Tunnels