Page 185 - (DK Eyewitness) Travel Guide - The Netherlands
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NOR TH  HOLLAND      183


        Windmills

        Since the 13th century, windmills have been an inseparable
        part of the landscape of Holland. They have been used for a
        variety of purposes, including milling corn, extracting oil and
        sawing wood. One of their most important uses was to pump
        away excess water from the polders (see pp168–9). Windmills
        consist of a fixed tower and a cap which carries the sails. The
        cap can be turned so that the sails face the wind. The sails can
        be very dangerous when they are turning – hence the Dutch
        saying, “Een klap van de molenwiek hebben” (“To be struck by a
        windmill”), that is, to have a screw loose. The Netherlands had   Watermill in the Schermer polder
        thousands of windmills in earlier times, but since the arrival
        of modern machines, their number has dropped to just over   Lattice and
        1,000. Many of these windmills are still working and are open   canvas sail
        for visits. (See also pp28–9.)
                                    Polder mills for draining
                                    became common during
                                        the 17th century.
                                    Standing in groups, they
                                    were each responsible for
                                      part of the pumping,
                                     through the use of an
                                     Archimedes’ screw.


        Modern wind turbines are common in
        Holland. They supply electricity without    Drive shaft
        the pollution caused by burning oil or coal.
                                        Archimedes’
                                        screw
                                                Upper reservoir
                                     Rolled-up canvas
                                          The upper section
                                          could be turned on
                                          its axis in the wind.
                            Main
                           spindle
                                                         Wooden
                         Grain was                       sails
                         ground by two
                         millstones.
        The cogs are turned by   The sails were
        the sails. A rotating   covered with             Flour was
                                                         poured into
                        canvas to catch
        spindle makes a cog   more wind.                 bags through
        move, causing the water                          chutes.
        pump to start working.
        Flour Mills
        Flour mills were covered
        with reeds and looked like
        enormous pepper mills. The
        millstones were linked to the
        sails by the spindle and gear-
        wheels and milled wheat,
        barley and oats.

                                     For hotels and restaurants in this region see p397 and pp409–10


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