Zeitraum 1862-1892 [ø 612mm]
Zeitraum 1892-1922 [ø 602mm]
Zeitraum 1922-1952 [ø 626mm]
Zeitraum 1952-1982 [ø 586mm]
Zeitraum 1982-2012 [ø 631mm]
Zeitraum 1862-1892 [ø 612mm]
Zeitraum 1892-1922 [ø 602mm]
Zeitraum 1922-1952 [ø 626mm]
Zeitraum 1952-1982 [ø 586mm]
Zeitraum 1982-2012 [ø 631mm]