work of the following images: File:Archimedes-screw_one-screw-threads_with-ball_3D-view_animated.gif licensed with Cc-by-sa-2.5 2007-05-06T11:52:48Z Silberwolf
de Arquímedes Portuguese Animated demonstration of Archimedes' screw Vietnamese Animated demonstration of Archimedes' screw Russian Традиционное действие