This article is crying out for some interactive animations. Something like what's on this page, for each mechanism: https://mechanicalexpressions.com/explore/

This article is crying out for some interactive animations. Something like what's on this page, for each mechanism: https://mechanicalexpressions.com/explore/kinematics/4-bar-linkage.html https://mechanicalexpressions.com/explore/kinematics/4-bar-l...