Resources : Tutorials and Descriptions Tutorials and Descriptions | Biography B | E | F | G | H | I | L | M | R Brief Description of the Mathematics Behind the Peaucellier-Lipkin Linkage Example of KMODDL Use in Geometry Course Exploring Linkages Exploring Machine Motion Design Four Different Positions (Inversions) of Model C01 Geometry of Geneva Wheel Historical Notes about Geneva Wheel Historical Notes on Universal joint How to Draw a Straight Line I04: Spiral Pump - Mathematical Tutorial Leonardo in Your Toothbrush Mathematical Description of Universal Joint Mathematical Tutorial of the Peaucellier-Lipkin Linkage Mathematics of Four Bar Linkages -- Planar and Spherical Mathematics of the Slider Cranks R Series: R01-07. Spherical Cycloids and Involutes Reuleaux Triangle B | E | F | G | H | I | L | M | R