A scoop wheel or scoopwheel is a pump, usually used for land drainage.
Rim driven Scoop wheel of the Stretham Old Engine, Cambridgeshire
Scoop wheel of a Dutch mill
Shaft driven Scoop wheel of the Dogdyke Engine, Lincolnshire
Dredging is the excavation of material from a water environment. Possible reasons for dredging include improving existing water features; reshaping land and water features to alter drainage, navigabil
Scoop wheel
…Sakia Dredger Dogdyke Engine, Lincolnshire…
Excavator dredger in Neeme harbour, Estonia (April 2023)
Reconstruction of the mud-drag by Leonardo da Vinci (Manuscript E, folio 75 v.)
Reconstruction of the mud-drag
The dredge drag head of a suction dredge barge on the Vistula River in Warsaw, Poland