From "Kinematics of Machinery: Outlines of a Theory of Machines", by Franz Reuleaux, 1963, originally published in 1876.
Water-meter exhibited in the English department of the Paris Exhibition of 1867.
Modeled with Solidworks 2016.
Rendered with Simlab Composer 6 Mechanical Edition.
Video at https://youtu.be/JmNfwTf4tyQ.