DescriptionZoetermeer Vakgemaal De Leyens Video (1).ogv Nederlands: Werkende schroef van Archimedes Date 20 January 2009 Source Own work Author Stunteltje...
DescriptionZoetermeer Vakgemaal De Leyens (2).ogv Nederlands: Schroef van Archimedes in werking Date 20 January 2009 Source Own work Author Stunteltje...
Commons Attribution-Share Alike 3.0 Unported license. Attribution: © S.J. de Waard / CC-BY-SA-4.0 (via Wikimedia Commons) You are free: to share – to copy...
Creative Commons Attribution 3.0 truetrue You may select the license of your choice. English Archimedean Screw pump looped gif determination method: SHA-1...