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combine |
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combine (kŏm`bīn), agricultural machine that performs both harvesting and threshing threshing or thrashing, separation of grain from the stalk on which it grows and from the chaff or pod that covers it. The first known method was by striking the reaped ears of grain with a flail. ..... Click the link for more information. operations. Although it was not widely used until the 1930s, the combine was in existence as early as 1830. Early combines were traction-powered and drawn by horses, or later, driven by steam and internal-combustion engines. Self-propelled units appeared in the 1940s and have been adopted worldwide. Modern units feature dust-free, air-conditioned cabs and can handle more than 100 acres (41 hectares) of grain per day. Originally developed for cereal grains, the combine has been adapted to legumes, forage grasses, sorghum, and corn. The basic operations of a combine include cutting and gathering the standing crop, threshing the seed from the stem, separating the chaff, collecting the seed in a hopper for delivery to a truck, and returning the straw to the ground. The combine has replaced the reaper reaper, early farm machine drawn by draft animals or tractor and used to harvest grain. Its historical predecessors were the sickle and the cradle scythe, which are still used in some parts of the world. ..... Click the link for more information. ; the binder, which cut and bound a harvested crop into bundles ready for threshing; and the thresher. BibliographySee C. Culpin, Farm Machinery (12th ed. 1992). |
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| There is another art which imitates by means of language alone, and that either in prose or verse--which, verse, again, may either combine different metres or consist of but one kind--but this has hitherto been without a name. Take one of a middle temper; or if it may not be found in one man, combine two of either sort; and forget not to call as well, the best acquainted with your body, as the best reputed of for his faculty. Maurice Grieffenhagen knew how to combine in his illustrations the effect of his own most distinguished personal vision with an absolute fidelity to the inspiration of the writer. |
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combine
