David Roberts (engineer)
http://dbpedia.org/resource/David_Roberts_(engineer) an entity of type: Thing
David Roberts (1859 – 22 April 1928) 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 1907.
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David Roberts (engineer)
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5728389
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David Roberts (1859 – 22 April 1928) 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 1907.
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10358