2 Ergebnisse für: 640.926
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Sonnenhaus Jenni Oberburg CH 1989 - YouTube
https://www.youtube.com/watch?v=85ji5agkCVM
Europas erstes 100% solar versorgtes Haus
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The Ballista Project 2005 - 2007 - YouTube
https://www.youtube.com/watch?v=jolYDinb_50
This is a rebuild of an ancient siege engine. It was contstructed and tested during a school project. The maximum range of 190 m was achievied with a 0,750 k...