Alta alatis patent: the Wouda steam pumping station
Alta alatis patent: only 45 minutes
Alta alatis patent: the visitors centre opened in 2011
Alta alatis patent: queue up in the sun
Alta alatis patent: on coal in the old days, now on oil
Alta alatis patent: doors at the IJssellake side
Alta alatis patent: the boiler house, steam production
Alta alatis patent: see water leaving Friesland
Alta alatis patent: feel the engines working
Alta alatis patent: on the innerside, to Friesland
Alta alatis patent: a steam escape
Alta alatis patent: steam boilers
Alta alatis patent: the filter
Alta alatis patent: in between steam boilers
Alta alatis patent: replacement of dirty filters
Alta alatis patent: steam engine
Alta alatis patent: engine room
Alta alatis patent: centrifugal pump and the wheel
Alta alatis patent: clear glasses
Alta alatis patent: oil removal
Alta alatis patent: cleaning routine
Alta alatis patent: to the IJssellake
Alta alatis patent: with regards, Ciska