Kraftwerk Heimbach
... that the eight original Francis turbines of Kraftwerk Heimbach , a hydro-electric power station that opened in 1905 as then the largest in Europe, served until 1974?
... that the eight original <a href="./Francis_turbine" id="mwBko" rel="mw:WikiLink" title="Francis turbine">Francis turbines</a> of <b id="mwBks"><a href="./Kraftwerk_Heimbach" id="mwBkw" rel="mw:WikiLink" title="Kraftwerk Heimbach">Kraftwerk Heimbach</a></b> <i id="mwBk0">(pictured)</i>, a <a href="./Hydroelectricity" id="mwBk4" rel="mw:WikiLink" title="Hydroelectricity">hydro-electric power station</a> that opened in 1905 as then the largest in Europe, served until 1974?