Keywords: Leonardo da Vinci helicopter and lifting wing.jpg en wikipedia Maksim page en wikipedia Leonardo Da Vinci Helicopter top and experiment on lifting power of wing bottom British Museum London PD-old-100 1 date/time username edit summary ---- 07 49 08 july 2009 en User BrettRob <nowiki></nowiki> ---- 07 48 08 july 2009 en User BrettRob <nowiki> <a href /wiki/Leonardo_Da_Vinci title Leonardo Da Vinci >Leonardo Da Vinci</a> Helicopter top and experiment on lifting power of wing bottom British Museum London PD-old-100 </nowiki> Original upload log Legend cur this is the current file del delete this old version rev revert to this old version dgdgdgdgdgdgdgdgdgddgddg Click on date to download the file or see the image uploaded on that date del cur 07 48 08 july 2009 en User BrettRob BrettRob en User_talk BrettRob Talk 364x504 63876 bytes en Leonardo_Da_Vinci Leonardo Da Vinci Helicopter top and experiment on lifting power of wing bottom British Museum London PD-art Flying machines by Leonardo da Vinci Aerial screw by Leonardo da Vinci Artworks missing infobox template |