Williamsen Adt23c 1971
Williamsen Adt23c 1970
Williamsen Adtc 1972
Williamsen Adtc 1973
Williamsen Adtc 1971
Williamsen Sdtc 1971
Williamsen Sdtc 1972
Williamsen Sdtc 1973
Williamsen Williamsen 1961
Williamsen Williamsen 1962
Williamsen Williamsen 1960