Dutch Minister of Education pulls a lever to start a chain reaction at the Technical College of Holland in Delft, Netherlands.
Students work on a Rube Goldberg machine chain reaction at the Technical College of Holland in Delft, Netherlands. The Dutch Minister of Education sits on a chair. The students at the Technical College of Holland seated on chairs. The minister pulls a lever to start the machine. A chain reaction sets the wheels in motion and sends a cyclist through a sealed door. Location: Delft Netherlands. Date: May 24, 1962.