Grader Drawn by Traction Engine. … Elevating: Horse-Drawn Grader at Work.MAKING BOADS BY MACHINERY. river sand on a bed of natural clay, neither the bednor the surface of the road being rolled. The dirtroad is made by grading in the usual manner. As arule neither of these latter classes of highways isconstructed save to demonstrate…
Alcohol · Gasoline · Glower · Ore · Machine · Power · Scientific American · Horse power · Power station · Gas engine · Sewing machine · Short time · Revolving field · Pure water · Tipple lever · Manhattan elevated
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
