Stop by the Museum of Science in Boston to see a whole working wall of these sorts of mechanisms, or just check out the videos here: http://pie.exploratorium.e

Stop by the Museum of Science in Boston to see a whole working wall of these sorts of mechanisms, or just check out the videos here: http://pie.exploratorium.edu/scrapbook/mechanisms/ http://pie.exploratorium.edu/scrapbook/mechanisms/ The Geneva Movement is here: http://pie.exploratorium.edu/scrapbook/mechanisms/52.html http://pie.exploratorium.edu/scrapbook/mechanisms/52.html