Stephenson III dwell mechanism - simulation done with <a href="https://en.wikipedia.org/wiki/MeKin2D" class="extiw" title="wikipedia:MeKin2D">MeKin2D</a>
<a href="//commons.wikimedia.org/w/index.php?title=User:Simiprof&amp;action=edit&amp;redlink=1" class="new" title="User:Simiprof (page does not exist)">Simiprof</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>