the electrons' path Nebenschlußregler - Entregungsschalter HPP Arnstein - control room Megawatt DSC03255 x1p DSC03280 x1p Null - Voltmeter where the light comes from gauges HPP Arnstein - control room HPP Arnstein - control room heating Arnstein - control room black stone control room HPP Arnstein - control room DSC08461 x1p DSC08459 x1p the weir the boiler house Caribbean sky towers rectangles night cranes Central Romana train control room - 3 control room - 2 control room - 1 DSC03476 x1p power station - section meeting Mr. Francis Turbine hydro power the beauty of analog machines generator logos DSC03328 x1p HPP Arnstein - turbine hall DSC03350 x2p HPP Arnstein - turbine hall blue turbine power DSC03359 x1p DSC03354 x1p HPP Arnstein DSC03484 x1p black reflections steelworks steelworks dark basement - 3