De Marmeerin, Dokkum
Encyclopedia
De Mearmin, Marmearmin or Geestermermeermolen is a smock mill in Dokkum
Dokkum
Dokkum is a Dutch fortified town in the municipality of Dongeradeel in the province of Friesland. It has 13,145 inhabitants . The fortifications of Dokkum are well preserved and are known as the bolwerken . - History :...

, Friesland
Friesland
Friesland is a province in the north of the Netherlands and part of the ancient region of Frisia.Until the end of 1996, the province bore Friesland as its official name. In 1997 this Dutch name lost its official status to the Frisian Fryslân...

, Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 which was built in 1968. The mill is listed as a Rijksmonument
Rijksmonument
A rijksmonument is a National Heritage Site of the Netherlands, listed by the agency Rijksdienst voor het Cultureel Erfgoed acting for the Dutch Ministry of Education, Culture and Science.-History and criteria:...

, number 467708.

History

The Mearmin was built in 1968 by millwright
Millwright
A millwright is a craftsman or tradesman engaged with the construction and maintenance of machinery.Early millwrights were specialist carpenters who erected machines used in agriculture, food processing and processing lumber and paper...

 Dijkstra of Giekerk. It incorporated parts of a drainage mill which stood at Roodkerk
Roodkerk
Readtsjerk is a village in the Dantumadiel municipality of Friesland, in the Netherlands and has around 211 citizens ....

, and also parts from various other demolished mills in Friesland. This mill was demolished by millwrights Fabrikaat Medendorp of Zuidlaren
Zuidlaren
Zuidlaren is a village in the province of Drenthe in the Northern Netherlands. Zuidlaren has just over 10,000 inhabitants and is situated on natural heightened land which is called the Hondsrug....

, Drenthe
Drenthe
Drenthe is a province of the Netherlands, located in the north-east of the country. The capital city is Assen. It is bordered by Overijssel to the south, Friesland to the west, Groningen to the north, and Germany to the east.-History:Drenthe, unlike many other parts of the Netherlands, has been a...

 at a cost of ƒ1,700. A licence to build the mill was granted on 25 April 1968 and the mill was put to work at the end of 1969. By 2006, the mill was not in working order, with one of the sails severely damage. As of November 2010, the mill was in a derelict condition.

Description

De Mearmin is what the Dutch describe as a "grondzeiler" . It is a two storey smock mill on a single storey base. There is no stage, the sail reaching almost to the ground. The smock and cap boarded. The mill is winded by tailpole and winch. The sails are Common sails. They have a span of 15.1 metre. The sails are carried on a cast iron windshaft, which was cast by Koning of Foxham, Groningen
Groningen (province)
Groningen [] is the northeasternmost province of the Netherlands. In the east it borders the German state of Niedersachsen , in the south Drenthe, in the west Friesland and in the north the Wadden Sea...

in 1903. The windshaft also carries the brake wheel which has 50 cogs. This drives the wallower (29 cogs) at the top of the upright shaft. At the bottom of the upright shaft, the crown wheel, which has 37 cogs drives a gearwheel with 34 cogs on the axle of the Archimedes screw. The axle of the screw is 470 millimetre diameter and the screw is 1.17 metre diameter and 3.75 metre long. The screw is inclined at 22½°. Each revolution of the screw lifts 480 litres (105.6 imp gal) of water.
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