Expansion of the sewage treatment plant in Fürth, Germay

Fürth, Germany \n XL4 penstock with rising spindle & perforated cover
Fürth, Germany \n XL4 penstock with rising spindle & perforated cover
Fürth, Germany \n XL3 channel penstock with rising spindle & perforated cover
Fürth, Germany \n XL3 channel penstock with rising spindle & perforated cover
Fürth, Germany \n XL4 penstock with perforated cover
Fürth, Germany \n XL4 penstock with perforated cover