Combine Harvester

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Combine harvesters are often described as the smallest factories in the world. Invented in the USA in the 1920s, these work horses are real all-rounders that can cut, separate, chop and thresh - all at the same time. They can harvest up to 70 tons of grain in one hour. Great Inventions shows charming archive footage of the first machines chugging across a field behind a tractor and provides spectacular images of the smart combine harvesters of tomorrow - even gamers have discovered a penchant for these high-tech behemoths.

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Combine harvesters are often described as the smallest factories in the world. Invented in the USA in the 1920s, these work horses are real all-rounders that can cut, separate, chop and thresh - all…

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