Date: 12/31/1969 Views: 2516
Date: 10/11/2009 Views: 2779
Date: 12/31/1969 Views: 2213
Date: 08/23/2023 Views: 132830
Date: 05/23/2007 Views: 545734
I give a lecture in Maurits' Technology class about aircraft and flying. Afterwards they all come home to see some real bits