| De Onderneming, Witmarsun | |
|---|---|
 De Onderneming, September 2008 | |
 Interactive map of De Onderneming, Witmarsun | |
| Origin | |
| Mill name | De Onderneming |
| Mill location | Molenweg 43, 8748 CN, Witmarsum |
| Coordinates | 53°05′57″N5°28′08″E / 53.09917°N 5.46889°E /53.09917; 5.46889 |
| Operator | Stichting tot Behoud van Momumenten in de gemeente Súdwest Fryslân |
| Year built | 1862 |
| Information | |
| Purpose | Corn mill andpearl barley mill |
| Type | Smock mill |
| Storeys | Three storey smock |
| Base storeys | Two storey base |
| Smock sides | Eight sides |
| No. of sails | Four sails |
| Type of sails | Common sails,Fok system on leading edges |
| Windshaft | Cast iron |
| Winding | Tailpole and winch |
| No. of pairs of millstones | Four pairs |
| Size of millstones | 1.60 metres (5 ft 3 in), 1.56 metres (5 ft 1 in), 1.50 metres (4 ft 11 in) and 1.47 metres (4 ft 10 in) diameter |
De Onderneming (Dutch pronunciation:[dəˌʔɔndərˈneːmɪŋ]; English:The Company) is asmock mill inWitmarsum, Friesland,Netherlands which was built in 1850 and is in working order. It is used as a training mill. The mill is listed as aRijksmonument.
De Onderneming was built in 1850, probably bymillwright Van der Meer ofHarlingen, Friesland. The foundation stone was laid on 17 September.[1] In 1896, the mill was bought by Geurt Stoffels. It passed to his son Heimen in 1956. Following Heimen's death in 1968, the mill fell into disrepair. It was bought by the Gemeente Wûnseradiel. Restoration took place in 1970-71.[2] Further restorations took place in 1988 and 1994.[1] The mill is in the ownership of the Stichting tot Behoud van Momumenten in de gemeente Súdwest Fryslân. Used as a training mill, it is listed as aRijksmonument, № 39437.[2]
De Onderneming is what the Dutch describe as a "Stellingmolen". It is a smock mill on a wooden base. The stage is 4.00 metres (13 ft 1 in) above ground level. The smock and cap arethatched. The mill is winded by tailpole and winch. The sails areCommon sails, fitted with theFok system on their leading edges.[1] They have a span of 19.00 metres (62 ft 4 in).[2] The sails are carried on a cast-ironwindshaft, which was cast by Fabrikaat De Muinck Keizer ofMartenshoek,Groningen in 1891.[3] Thewindshaft also carries thebrake wheel which has 60 cogs. This drives thewallower (31 cogs) at the top of theupright shaft. At the bottom of theupright shaft is thegreat spur wheel, which has 75 cogs. Thegreat spur wheel drives a pair of 1.60 metres (5 ft 3 in) diameter Cullenmillstones via alantern pinion stone nut which has 22 staves. A pair of 1.50 metres (4 ft 11 in) Cullen millstones is driven via alantern pinion stone nut which has 19 staves. Two pairs of Peak millstones, of 1.56 metres (5 ft 1 in) and 1.47 metres (4 ft 10 in) diameter, are driven vialantern pinion stone nuts which have 22 staves each.[1]
De Onderneming is open to the public on Saturday between 09:00 and 12:00, or by appointment.[4]
