Image: Archimedes-screw one-screw-threads with-ball 3D-view animated small

Archimedes-screw_one-screw-threads_with-ball_3D-view_animated_small.gif(200 × 146 pixels, file size: 47 KB, MIME type: image/gif, looped, 25 frames, 1.3 s)

Description: animierte Prinzip einer Foerderschnecke oder auch Archimedische Spirale genannt, mit einer Kugel zur Demonstration der Förderbewegung.
Title: Archimedes-screw one-screw-threads with-ball 3D-view animated small
Credit: File:Archimedes-screw_one-screw-threads_with-ball_3D-view_animated.gif created by Silberwolf
Author: Silberwolf (size changed by: Jahobr)
Permission: Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5)
Usage Terms: Creative Commons Attribution-Share Alike 2.5
License: CC BY-SA 2.5
License Link: http://creativecommons.org/licenses/by-sa/2.5
Attribution Required?: Yes