page_title: Terpensmole, IJlst
section_title: Description
hierarchical_section_title: Terpensmole, IJlst / Description
context_page_description: The Terpensmole is a drainage mill in IJlst, Friesland, Netherlands. It was moved from its earlier location in Sneek in 2011 where it was known as the Himmole. The mill is listed as a Rijksmonument, number 22914. It is fully functional and can be used to help drain the adjacent polder.
context_section_description: The Terpensmole is what the Dutch describe as a "spinnenkop". It is a small hollow post mill winded by a winch. The four common sails have a span of 12 metres (39 ft 4 in) and are carried on a wooden windshaft. Gears and the upright shaft bring the windpower to the Archimedes' screw which is 0.88 metres (2 ft 11 in) in diameter and can lift 140 litres (31 imp gal) of water per revolution.
caption: Mill and miller in November 2011
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