Antique farm equipment. Was manufactured for Alois Vogl, Neumarkt Salzburg, Austria, During the earl 19th century. A winnowing mill is a mill that separates grains, chaff and weed seeds. The necessary air is obtained by a paddle wheel. The first winnowing windmill dates back to the 17th century and had a precursor in China.
With a hand crank, a paddle wheel is rotated in a closed vertical drum, creating an air flow. The grain slowly falls from a hopper while the chaff is blown away. Later, the winnowing mill was also equipped with vibrating sieves or ratchets, so that weed seeds could also be removed. The sieves were shaken with a wooden beater and later with a camshaft. Later, a large gear was placed for the transmission of the paddle wheel to the crank shaft, which drives a small gear on the paddle wheel, which causes the paddle wheel to rotate faster.
Winnowing with a winnowing fan is the oldest method of separating the grains from the chaff. This was later replaced by a hand-operated winnowing mill. Today it is done mechanically in the same pass as harvesting with a combine harvester.
178 × 75 × 143 cm (LxWxH)Origin