De Bullemolen
... that De Bullemolen, Lekkum, was one of the first windmills in Friesland fitted with sails that had leading edges using the Fok system?
... that <b id="mwDWo"><a href="./De_Bullemolen,_Lekkum" id="mwDWs" rel="mw:WikiLink" title="De Bullemolen, Lekkum">De Bullemolen</a></b>, <a href="./Lekkum" id="mwDWw" rel="mw:WikiLink" title="Lekkum">Lekkum</a>, was one of the first windmills in <a href="./Friesland" id="mwDW0" rel="mw:WikiLink" title="Friesland">Friesland</a> fitted with sails that had leading edges using the <a href="./Windmill_sail#Dutch_sail_types" id="mwDW4" rel="mw:WikiLink" title="Windmill sail">Fok system</a>?