David Roberts (engineer)
From Wikipedia, the free encyclopedia
David Roberts was the Chief Engineer and managing director of Richard Hornsby & Sons in the early 1900s. His invention, the caterpillar track, was demonstrated to the army in 1909.
David Roberts was the Chief Engineer and managing director of Richard Hornsby & Sons in the early 1900s. His invention, the caterpillar track, was demonstrated to the army in 1909.