Model dredger, cutter suction type 'Sir George Lloyd'
1921-1945
Model of trailing suction dredger 'Prins der Nederlanden'
1968-1981
Model of Pontoon and Grab Dredger and Dumb Hopper Barge
1920-1924
Model of a horse-operated dredger
1946
Model of Fruhling twin-screw dredger "Thames"
1904-1920
Model of suction hopper dredger "Rosario D.4"
1904-1924
Model of stern well Bucket Hopper Dredger "General Diaz"
1905-1914