Geitungen Lighthouse
... that Geitungen Lighthouse had the first diaphone installed in Norway?
... that <b id="mwAQQ"><a href="./Geitungen_Lighthouse" id="mwAQU" rel="mw:WikiLink" title="Geitungen Lighthouse">Geitungen Lighthouse</a></b> had the first <a href="./Diaphone" id="mwAQY" rel="mw:WikiLink" title="Diaphone">diaphone</a> installed in Norway?