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- Model of Combine - It took hundreds of years to perfect machinery that could combine the three major steps of harvesting grain: reaping, or cutting the crop; threshing to loosen the grain from the chaff; and disposing of the straw while retaining the grain. This model, possibly made as part of a patent application, illustrates one attempt to create an improved "combine."
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Model of Combine
It took hundreds of years to perfect machinery that could combine the three major steps of harvesting grain: reaping, or cutting the crop; threshing to loosen the grain from the chaff; and disposing of the straw while retaining the grain. This model, possibly made as part of a patent application, illustrates one attempt to create an improved "combine."