Among the scattered publications on multiloop linkages are a very few concerned with alternative closure modes and special configurations. A certain planar network of twelve bars and eight double-hinges, introduced more than a century ago, has received less attention in this regard than is its due. Here, prior work is built upon to make a more systematic investigation of its various forms and the transformations from one to another.
BakerJ. E.On closure modes and singular configurations of kinematic chains In Advances in Robot Kinematics: Theory and Applications (Eds LenarcicJ.ThomasF.), 2002, pp. 175–182 (Kluwer, Dordrecht).
3.
DixonA. C.On certain deformable frameworksMessenger Math., 1899/1900, 29, 1–21.