Inversive Geometry II: The Peaucellier Inversor Mechanism

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This ingenious linkage mechanism was designed in 1864 as a device to transform circular into straight line motion.


Drag the red circular joint to draw its inverse with respect to the orange circle under free, circular or straight constraints. Use reset to clean the image path.


Contributed by: Jaime Rangel-Mondragon (March 2011)
Open content licensed under CC BY-NC-SA




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