Göttingen Collection of Mathematical Models and Instruments

Case number 54

Twin crank gear in the opposite direction Co-rotating twin crank gear Kinematic generation of Pascal curves Kinematic generation of Pascal curves
Example of a profile curve and its complete envelope Method of the equidistants and lantern wheel gearing Kinematic generation of  epitrochoids Kinematic generation of epitrochoids

The corresponding bottom case is: Case number U 54

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