Alow lift but continuous flow displacement pump" All metallic model, complete with water reservoir fitted on wooden base.
Archimedes Screw is a mechanical device used to lift water from one level to another level.
An Archimedes screw was included with helix, or spiral fitted inside a cylinder that is open on both sides. The device is named after the inventor Archimedes, who lived in the 3rd century BC.
Archimedes screw was used by placing the lower end of the device under water at a slant and a handle, attached to the helix, is turned.
Archimedes Screw was a simple mechanical water pump device that consisted of a hollow cylinder which is included with a continuous screw. By using this screw one could enlarge the cylinder size to form a spiral chamber.