another technique for lifting boats. Caisson lock: a submerged boat lift. Shiplift – used for raising vessels in shipyards Marine railway inclined plane for shipyards Water slope Saint-Louis-Arzviller boat lift, France – which is actually a canal inclined plane Portable boat lift Patent slip References Further reading External links Source mentions its own sources The International Canal Monuments List Three Gorges Dam Big Chute, Ontario – in fact an inclined plane Twin Ship Elevator Lüneburg – Technical data of the Scharnebeck twin ship lift near Lüneburg, Germany Dutch boat lift page Vertical transport devices